xref: /titanic_44/usr/src/uts/common/io/mwl/mwl.c (revision 888e055994b8b0dc77b98c53dd97026237caec5d)
1 /*
2  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
8  * Copyright (c) 2007-2008 Marvell Semiconductor, Inc.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
19  *    redistribution must be conditioned upon including a substantially
20  *    similar Disclaimer requirement for further binary redistribution.
21  *
22  * NO WARRANTY
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
26  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
28  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
31  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33  * THE POSSIBILITY OF SUCH DAMAGES.
34  */
35 
36 /*
37  * Driver for the Marvell 88W8363 Wireless LAN controller.
38  */
39 #include <sys/stat.h>
40 #include <sys/dlpi.h>
41 #include <inet/common.h>
42 #include <inet/mi.h>
43 #include <sys/stream.h>
44 #include <sys/errno.h>
45 #include <sys/stropts.h>
46 #include <sys/stat.h>
47 #include <sys/sunddi.h>
48 #include <sys/strsubr.h>
49 #include <sys/strsun.h>
50 #include <sys/pci.h>
51 #include <sys/mac_provider.h>
52 #include <sys/mac_wifi.h>
53 #include <sys/net80211.h>
54 #include <inet/wifi_ioctl.h>
55 
56 #include "mwl_var.h"
57 
58 static int mwl_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd);
59 static int mwl_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd);
60 static int mwl_quiesce(dev_info_t *devinfo);
61 
62 DDI_DEFINE_STREAM_OPS(mwl_dev_ops, nulldev, nulldev, mwl_attach, mwl_detach,
63     nodev, NULL, D_MP, NULL, mwl_quiesce);
64 
65 static struct modldrv mwl_modldrv = {
66 	&mod_driverops,	/* Type of module.  This one is a driver */
67 	"Marvell 88W8363 WiFi driver v1.1",	/* short description */
68 	&mwl_dev_ops	/* driver specific ops */
69 };
70 
71 static struct modlinkage modlinkage = {
72 	MODREV_1, (void *)&mwl_modldrv, NULL
73 };
74 
75 static void *mwl_soft_state_p = NULL;
76 
77 static int	mwl_m_stat(void *,  uint_t, uint64_t *);
78 static int	mwl_m_start(void *);
79 static void	mwl_m_stop(void *);
80 static int	mwl_m_promisc(void *, boolean_t);
81 static int	mwl_m_multicst(void *, boolean_t, const uint8_t *);
82 static int	mwl_m_unicst(void *, const uint8_t *);
83 static mblk_t	*mwl_m_tx(void *, mblk_t *);
84 static void	mwl_m_ioctl(void *, queue_t *, mblk_t *);
85 static int	mwl_m_setprop(void *arg, const char *pr_name,
86 		    mac_prop_id_t wldp_pr_num,
87 		    uint_t wldp_length, const void *wldp_buf);
88 static int	mwl_m_getprop(void *arg, const char *pr_name,
89 		    mac_prop_id_t wldp_pr_num, uint_t pr_flags,
90 		    uint_t wldp_length, void *wldp_buf, uint_t *);
91 
92 static mac_callbacks_t mwl_m_callbacks = {
93 	MC_IOCTL | MC_SETPROP | MC_GETPROP,
94 	mwl_m_stat,
95 	mwl_m_start,
96 	mwl_m_stop,
97 	mwl_m_promisc,
98 	mwl_m_multicst,
99 	mwl_m_unicst,
100 	mwl_m_tx,
101 	mwl_m_ioctl,
102 	NULL,
103 	NULL,
104 	NULL,
105 	mwl_m_setprop,
106 	mwl_m_getprop
107 };
108 
109 #define	MWL_DBG_ATTACH		(1 << 0)
110 #define	MWL_DBG_DMA		(1 << 1)
111 #define	MWL_DBG_FW		(1 << 2)
112 #define	MWL_DBG_HW		(1 << 3)
113 #define	MWL_DBG_INTR		(1 << 4)
114 #define	MWL_DBG_RX		(1 << 5)
115 #define	MWL_DBG_TX		(1 << 6)
116 #define	MWL_DBG_CMD		(1 << 7)
117 #define	MWL_DBG_CRYPTO		(1 << 8)
118 #define	MWL_DBG_SR		(1 << 9)
119 #define	MWL_DBG_MSG		(1 << 10)
120 
121 uint32_t mwl_dbg_flags = 0x0;
122 
123 #ifdef DEBUG
124 #define	MWL_DBG	\
125 	mwl_debug
126 #else
127 #define	MWL_DBG
128 #endif
129 
130 /*
131  * PIO access attributes for registers
132  */
133 static ddi_device_acc_attr_t mwl_reg_accattr = {
134 	DDI_DEVICE_ATTR_V0,
135 	DDI_STRUCTURE_LE_ACC,
136 	DDI_STRICTORDER_ACC,
137 	DDI_DEFAULT_ACC
138 };
139 
140 static ddi_device_acc_attr_t mwl_cmdbuf_accattr = {
141 	DDI_DEVICE_ATTR_V0,
142 	DDI_NEVERSWAP_ACC,
143 	DDI_STRICTORDER_ACC,
144 	DDI_DEFAULT_ACC
145 };
146 
147 /*
148  * DMA access attributes for descriptors and bufs: NOT to be byte swapped.
149  */
150 static ddi_device_acc_attr_t mwl_desc_accattr = {
151 	DDI_DEVICE_ATTR_V0,
152 	DDI_NEVERSWAP_ACC,
153 	DDI_STRICTORDER_ACC,
154 	DDI_DEFAULT_ACC
155 };
156 
157 static ddi_device_acc_attr_t mwl_buf_accattr = {
158 	DDI_DEVICE_ATTR_V0,
159 	DDI_NEVERSWAP_ACC,
160 	DDI_STRICTORDER_ACC,
161 	DDI_DEFAULT_ACC
162 };
163 
164 /*
165  * Describes the chip's DMA engine
166  */
167 static ddi_dma_attr_t mwl_dma_attr = {
168 	DMA_ATTR_V0,			/* dma_attr version */
169 	0x0000000000000000ull,		/* dma_attr_addr_lo */
170 	0xFFFFFFFF,			/* dma_attr_addr_hi */
171 	0x00000000FFFFFFFFull,		/* dma_attr_count_max */
172 	0x0000000000000001ull,		/* dma_attr_align */
173 	0x00000FFF,			/* dma_attr_burstsizes */
174 	0x00000001,			/* dma_attr_minxfer */
175 	0x000000000000FFFFull,		/* dma_attr_maxxfer */
176 	0xFFFFFFFFFFFFFFFFull,		/* dma_attr_seg */
177 	1,				/* dma_attr_sgllen */
178 	0x00000001,			/* dma_attr_granular */
179 	0				/* dma_attr_flags */
180 };
181 
182 /*
183  * Supported rates for 802.11a/b/g modes (in 500Kbps unit).
184  */
185 static const struct ieee80211_rateset mwl_rateset_11b =
186 	{ 4, { 2, 4, 11, 22 } };
187 
188 static const struct ieee80211_rateset mwl_rateset_11g =
189 	{ 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
190 
191 static int	mwl_alloc_dma_mem(dev_info_t *, ddi_dma_attr_t *, size_t,
192 		    ddi_device_acc_attr_t *, uint_t, uint_t,
193 		    struct dma_area *);
194 static void	mwl_free_dma_mem(struct dma_area *);
195 static int	mwl_alloc_cmdbuf(struct mwl_softc *);
196 static void	mwl_free_cmdbuf(struct mwl_softc *);
197 static int	mwl_alloc_rx_ring(struct mwl_softc *, int);
198 static void	mwl_free_rx_ring(struct mwl_softc *);
199 static int	mwl_alloc_tx_ring(struct mwl_softc *, struct mwl_tx_ring *,
200 		    int);
201 static void	mwl_free_tx_ring(struct mwl_softc *, struct mwl_tx_ring *);
202 static int	mwl_setupdma(struct mwl_softc *);
203 static void	mwl_txq_init(struct mwl_softc *, struct mwl_tx_ring *, int);
204 static int	mwl_tx_setup(struct mwl_softc *, int, int);
205 static int	mwl_setup_txq(struct mwl_softc *);
206 static int	mwl_fwload(struct mwl_softc *, void *);
207 static int	mwl_loadsym(ddi_modhandle_t, char *, char **, size_t *);
208 static void	mwlFwReset(struct mwl_softc *);
209 static void	mwlPokeSdramController(struct mwl_softc *, int);
210 static void	mwlTriggerPciCmd(struct mwl_softc *);
211 static int	mwlWaitFor(struct mwl_softc *, uint32_t);
212 static int	mwlSendBlock(struct mwl_softc *, int, const void *, size_t);
213 static int	mwlSendBlock2(struct mwl_softc *, const void *, size_t);
214 static void	mwlSendCmd(struct mwl_softc *);
215 static int	mwlExecuteCmd(struct mwl_softc *, unsigned short);
216 static int	mwlWaitForCmdComplete(struct mwl_softc *, uint16_t);
217 static void	dumpresult(struct mwl_softc *, int);
218 static int	mwlResetHalState(struct mwl_softc *);
219 static int	mwlGetPwrCalTable(struct mwl_softc *);
220 static int	mwlGetCalTable(struct mwl_softc *, uint8_t, uint8_t);
221 static int	mwlGetPwrCalTable(struct mwl_softc *);
222 static void	dumpcaldata(const char *, const uint8_t *, int);
223 static void	get2Ghz(MWL_HAL_CHANNELINFO *, const uint8_t *, int);
224 static void	get5Ghz(MWL_HAL_CHANNELINFO *, const uint8_t *, int);
225 static void	setmaxtxpow(struct mwl_hal_channel *, int, int);
226 static uint16_t	ieee2mhz(int);
227 static const char *
228 		mwlcmdname(int);
229 static int	mwl_gethwspecs(struct mwl_softc *);
230 static int	mwl_getchannels(struct mwl_softc *);
231 static void	getchannels(struct mwl_softc *, int, int *,
232 		    struct mwl_channel *);
233 static void	addchannels(struct mwl_channel *, int, int *,
234 		    const MWL_HAL_CHANNELINFO *, int);
235 static void	addht40channels(struct mwl_channel *, int, int *,
236 		    const MWL_HAL_CHANNELINFO *, int);
237 static const struct mwl_channel *
238 		findchannel(const struct mwl_channel *, int,
239 		    int, int);
240 static void	addchan(struct mwl_channel *, int, int, int, int);
241 
242 static int	mwl_chan_set(struct mwl_softc *, struct mwl_channel *);
243 static void	mwl_mapchan(MWL_HAL_CHANNEL *, const struct mwl_channel *);
244 static int	mwl_setcurchanrates(struct mwl_softc *);
245 const struct ieee80211_rateset *
246 		mwl_get_suprates(struct ieee80211com *,
247 		    const struct mwl_channel *);
248 static uint32_t	cvtChannelFlags(const MWL_HAL_CHANNEL *);
249 static const struct mwl_hal_channel *
250 		findhalchannel(const struct mwl_softc *,
251 		    const MWL_HAL_CHANNEL *);
252 enum ieee80211_phymode
253 		mwl_chan2mode(const struct mwl_channel *);
254 static int	mwl_map2regioncode(const struct mwl_regdomain *);
255 static int	mwl_startrecv(struct mwl_softc *);
256 static int	mwl_mode_init(struct mwl_softc *);
257 static void	mwl_hal_intrset(struct mwl_softc *, uint32_t);
258 static void	mwl_hal_getisr(struct mwl_softc *, uint32_t *);
259 static int	mwl_hal_sethwdma(struct mwl_softc *,
260 		    const struct mwl_hal_txrxdma *);
261 static int	mwl_hal_getchannelinfo(struct mwl_softc *, int, int,
262 		    const MWL_HAL_CHANNELINFO **);
263 static int	mwl_hal_setmac_locked(struct mwl_softc *, const uint8_t *);
264 static int	mwl_hal_keyreset(struct mwl_softc *, const MWL_HAL_KEYVAL *,
265 		    const uint8_t mac[IEEE80211_ADDR_LEN]);
266 static int	mwl_hal_keyset(struct mwl_softc *, const MWL_HAL_KEYVAL *,
267 		    const uint8_t mac[IEEE80211_ADDR_LEN]);
268 static int	mwl_hal_newstation(struct mwl_softc *, const uint8_t *,
269 		    uint16_t, uint16_t, const MWL_HAL_PEERINFO *, int, int);
270 static int	mwl_hal_setantenna(struct mwl_softc *, MWL_HAL_ANTENNA, int);
271 static int	mwl_hal_setradio(struct mwl_softc *, int, MWL_HAL_PREAMBLE);
272 static int	mwl_hal_setwmm(struct mwl_softc *, int);
273 static int	mwl_hal_setchannel(struct mwl_softc *, const MWL_HAL_CHANNEL *);
274 static int	mwl_hal_settxpower(struct mwl_softc *, const MWL_HAL_CHANNEL *,
275 		    uint8_t);
276 static int	mwl_hal_settxrate(struct mwl_softc *, MWL_HAL_TXRATE_HANDLING,
277 		    const MWL_HAL_TXRATE *);
278 static int	mwl_hal_settxrate_auto(struct mwl_softc *,
279 		    const MWL_HAL_TXRATE *);
280 static int	mwl_hal_setrateadaptmode(struct mwl_softc *, uint16_t);
281 static int	mwl_hal_setoptimizationlevel(struct mwl_softc *, int);
282 static int	mwl_hal_setregioncode(struct mwl_softc *, int);
283 static int	mwl_hal_setassocid(struct mwl_softc *, const uint8_t *,
284 		    uint16_t);
285 static int	mwl_setrates(struct ieee80211com *);
286 static int	mwl_hal_setrtsthreshold(struct mwl_softc *, int);
287 static int	mwl_hal_setcsmode(struct mwl_softc *, MWL_HAL_CSMODE);
288 static int	mwl_hal_setpromisc(struct mwl_softc *, int);
289 static int	mwl_hal_start(struct mwl_softc *);
290 static int	mwl_hal_setinframode(struct mwl_softc *);
291 static int	mwl_hal_stop(struct mwl_softc *);
292 static struct ieee80211_node *
293 		mwl_node_alloc(struct ieee80211com *);
294 static void	mwl_node_free(struct ieee80211_node *);
295 static int	mwl_key_alloc(struct ieee80211com *,
296 		    const struct ieee80211_key *,
297 		    ieee80211_keyix *, ieee80211_keyix *);
298 static int	mwl_key_delete(struct ieee80211com *,
299 		    const struct ieee80211_key *);
300 static int	mwl_key_set(struct ieee80211com *, const struct ieee80211_key *,
301 		    const uint8_t mac[IEEE80211_ADDR_LEN]);
302 static void	mwl_setanywepkey(struct ieee80211com *, const uint8_t *);
303 static void	mwl_setglobalkeys(struct ieee80211com *c);
304 static int	addgroupflags(MWL_HAL_KEYVAL *, const struct ieee80211_key *);
305 static void	mwl_hal_txstart(struct mwl_softc *, int);
306 static int	mwl_send(ieee80211com_t *, mblk_t *, uint8_t);
307 static void	mwl_next_scan(void *);
308 static MWL_HAL_PEERINFO *
309 		mkpeerinfo(MWL_HAL_PEERINFO *, const struct ieee80211_node *);
310 static uint32_t	get_rate_bitmap(const struct ieee80211_rateset *);
311 static int	mwl_newstate(struct ieee80211com *, enum ieee80211_state, int);
312 static int	cvtrssi(uint8_t);
313 static uint_t	mwl_intr(caddr_t, caddr_t);
314 static uint_t	mwl_softintr(caddr_t, caddr_t);
315 static void	mwl_tx_intr(struct mwl_softc *);
316 static void	mwl_rx_intr(struct mwl_softc *);
317 static int	mwl_init(struct mwl_softc *);
318 static void	mwl_stop(struct mwl_softc *);
319 static int	mwl_resume(struct mwl_softc *);
320 
321 
322 #ifdef DEBUG
323 static void
324 mwl_debug(uint32_t dbg_flags, const int8_t *fmt, ...)
325 {
326 	va_list args;
327 
328 	if (dbg_flags & mwl_dbg_flags) {
329 		va_start(args, fmt);
330 		vcmn_err(CE_CONT, fmt, args);
331 		va_end(args);
332 	}
333 }
334 #endif
335 
336 /*
337  * Allocate an DMA memory and a DMA handle for accessing it
338  */
339 static int
340 mwl_alloc_dma_mem(dev_info_t *devinfo, ddi_dma_attr_t *dma_attr,
341 	size_t memsize, ddi_device_acc_attr_t *attr_p, uint_t alloc_flags,
342 	uint_t bind_flags, struct dma_area *dma_p)
343 {
344 	int err;
345 
346 	/*
347 	 * Allocate handle
348 	 */
349 	err = ddi_dma_alloc_handle(devinfo, dma_attr,
350 	    DDI_DMA_SLEEP, NULL, &dma_p->dma_hdl);
351 	if (err != DDI_SUCCESS) {
352 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
353 		    "failed to alloc handle\n");
354 		goto fail1;
355 	}
356 
357 	/*
358 	 * Allocate memory
359 	 */
360 	err = ddi_dma_mem_alloc(dma_p->dma_hdl, memsize, attr_p,
361 	    alloc_flags, DDI_DMA_SLEEP, NULL, &dma_p->mem_va,
362 	    &dma_p->alength, &dma_p->acc_hdl);
363 	if (err != DDI_SUCCESS) {
364 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
365 		    "failed to alloc mem\n");
366 		goto fail2;
367 	}
368 
369 	/*
370 	 * Bind the two together
371 	 */
372 	err = ddi_dma_addr_bind_handle(dma_p->dma_hdl, NULL,
373 	    dma_p->mem_va, dma_p->alength, bind_flags,
374 	    DDI_DMA_SLEEP, NULL, &dma_p->cookie, &dma_p->ncookies);
375 	if (err != DDI_DMA_MAPPED) {
376 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
377 		    "failed to bind handle\n");
378 		goto fail3;
379 	}
380 
381 	if (dma_p->ncookies != 1) {
382 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
383 		    "failed to alloc cookies\n");
384 		goto fail4;
385 	}
386 
387 	dma_p->nslots = ~0U;
388 	dma_p->size = ~0U;
389 	dma_p->token = ~0U;
390 	dma_p->offset = 0;
391 
392 	return (DDI_SUCCESS);
393 
394 fail4:
395 	(void) ddi_dma_unbind_handle(dma_p->dma_hdl);
396 fail3:
397 	ddi_dma_mem_free(&dma_p->acc_hdl);
398 fail2:
399 	ddi_dma_free_handle(&dma_p->dma_hdl);
400 fail1:
401 	return (err);
402 }
403 
404 static void
405 mwl_free_dma_mem(struct dma_area *dma_p)
406 {
407 	if (dma_p->dma_hdl != NULL) {
408 		(void) ddi_dma_unbind_handle(dma_p->dma_hdl);
409 		if (dma_p->acc_hdl != NULL) {
410 			ddi_dma_mem_free(&dma_p->acc_hdl);
411 			dma_p->acc_hdl = NULL;
412 		}
413 		ddi_dma_free_handle(&dma_p->dma_hdl);
414 		dma_p->ncookies = 0;
415 		dma_p->dma_hdl = NULL;
416 	}
417 }
418 
419 static int
420 mwl_alloc_cmdbuf(struct mwl_softc *sc)
421 {
422 	int err;
423 	size_t size;
424 
425 	size = MWL_CMDBUF_SIZE;
426 
427 	err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr, size,
428 	    &mwl_cmdbuf_accattr, DDI_DMA_CONSISTENT,
429 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
430 	    &sc->sc_cmd_dma);
431 	if (err != DDI_SUCCESS) {
432 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_cmdbuf(): "
433 		    "failed to alloc dma mem\n");
434 		return (DDI_FAILURE);
435 	}
436 
437 	sc->sc_cmd_mem = (uint16_t *)sc->sc_cmd_dma.mem_va;
438 	sc->sc_cmd_dmaaddr = sc->sc_cmd_dma.cookie.dmac_address;
439 
440 	return (DDI_SUCCESS);
441 }
442 
443 static void
444 mwl_free_cmdbuf(struct mwl_softc *sc)
445 {
446 	if (sc->sc_cmd_mem != NULL)
447 		mwl_free_dma_mem(&sc->sc_cmd_dma);
448 }
449 
450 static int
451 mwl_alloc_rx_ring(struct mwl_softc *sc, int count)
452 {
453 	struct mwl_rx_ring *ring;
454 	struct mwl_rxdesc *ds;
455 	struct mwl_rxbuf *bf;
456 	int i, err, datadlen;
457 
458 	ring = &sc->sc_rxring;
459 	ring->count = count;
460 	ring->cur = ring->next = 0;
461 	err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
462 	    count * sizeof (struct mwl_rxdesc),
463 	    &mwl_desc_accattr,
464 	    DDI_DMA_CONSISTENT, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
465 	    &ring->rxdesc_dma);
466 	if (err) {
467 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rxring(): "
468 		    "alloc tx ring failed, size %d\n",
469 		    (uint32_t)(count * sizeof (struct mwl_rxdesc)));
470 		return (DDI_FAILURE);
471 	}
472 
473 	MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rx_ring(): "
474 	    "dma len = %d\n", (uint32_t)(ring->rxdesc_dma.alength));
475 	ring->desc = (struct mwl_rxdesc *)ring->rxdesc_dma.mem_va;
476 	ring->physaddr = ring->rxdesc_dma.cookie.dmac_address;
477 	bzero(ring->desc, count * sizeof (struct mwl_rxdesc));
478 
479 	datadlen = count * sizeof (struct mwl_rxbuf);
480 	ring->buf = (struct mwl_rxbuf *)kmem_zalloc(datadlen, KM_SLEEP);
481 	if (ring->buf == NULL) {
482 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rxring(): "
483 		    "could not alloc rx ring data buffer\n");
484 		return (DDI_FAILURE);
485 	}
486 	bzero(ring->buf, count * sizeof (struct mwl_rxbuf));
487 
488 	/*
489 	 * Pre-allocate Rx buffers and populate Rx ring.
490 	 */
491 	for (i = 0; i < count; i++) {
492 		ds = &ring->desc[i];
493 		bf = &ring->buf[i];
494 		/* alloc DMA memory */
495 		(void) mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
496 		    sc->sc_dmabuf_size,
497 		    &mwl_buf_accattr,
498 		    DDI_DMA_STREAMING,
499 		    DDI_DMA_READ | DDI_DMA_STREAMING,
500 		    &bf->rxbuf_dma);
501 		bf->bf_mem = (uint8_t *)(bf->rxbuf_dma.mem_va);
502 		bf->bf_baddr = bf->rxbuf_dma.cookie.dmac_address;
503 		bf->bf_desc = ds;
504 		bf->bf_daddr = ring->physaddr + _PTRDIFF(ds, ring->desc);
505 	}
506 
507 	(void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
508 	    0,
509 	    ring->rxdesc_dma.alength,
510 	    DDI_DMA_SYNC_FORDEV);
511 
512 	return (0);
513 }
514 
515 static void
516 mwl_free_rx_ring(struct mwl_softc *sc)
517 {
518 	struct mwl_rx_ring *ring;
519 	struct mwl_rxbuf *bf;
520 	int i;
521 
522 	ring = &sc->sc_rxring;
523 
524 	if (ring->desc != NULL) {
525 		mwl_free_dma_mem(&ring->rxdesc_dma);
526 	}
527 
528 	if (ring->buf != NULL) {
529 		for (i = 0; i < ring->count; i++) {
530 			bf = &ring->buf[i];
531 			mwl_free_dma_mem(&bf->rxbuf_dma);
532 		}
533 		kmem_free(ring->buf,
534 		    (ring->count * sizeof (struct mwl_rxbuf)));
535 	}
536 }
537 
538 static int
539 mwl_alloc_tx_ring(struct mwl_softc *sc, struct mwl_tx_ring *ring,
540     int count)
541 {
542 	struct mwl_txdesc *ds;
543 	struct mwl_txbuf *bf;
544 	int i, err, datadlen;
545 
546 	ring->count = count;
547 	ring->queued = 0;
548 	ring->cur = ring->next = ring->stat = 0;
549 	err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
550 	    count * sizeof (struct mwl_txdesc), &mwl_desc_accattr,
551 	    DDI_DMA_CONSISTENT, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
552 	    &ring->txdesc_dma);
553 	if (err) {
554 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
555 		    "alloc tx ring failed, size %d\n",
556 		    (uint32_t)(count * sizeof (struct mwl_txdesc)));
557 		return (DDI_FAILURE);
558 	}
559 
560 	MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
561 	    "dma len = %d\n", (uint32_t)(ring->txdesc_dma.alength));
562 	ring->desc = (struct mwl_txdesc *)ring->txdesc_dma.mem_va;
563 	ring->physaddr = ring->txdesc_dma.cookie.dmac_address;
564 	bzero(ring->desc, count * sizeof (struct mwl_txdesc));
565 
566 	datadlen = count * sizeof (struct mwl_txbuf);
567 	ring->buf = kmem_zalloc(datadlen, KM_SLEEP);
568 	if (ring->buf == NULL) {
569 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
570 		    "could not alloc tx ring data buffer\n");
571 		return (DDI_FAILURE);
572 	}
573 	bzero(ring->buf, count * sizeof (struct mwl_txbuf));
574 
575 	for (i = 0; i < count; i++) {
576 		ds = &ring->desc[i];
577 		bf = &ring->buf[i];
578 		/* alloc DMA memory */
579 		(void) mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
580 		    sc->sc_dmabuf_size,
581 		    &mwl_buf_accattr,
582 		    DDI_DMA_STREAMING,
583 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
584 		    &bf->txbuf_dma);
585 		bf->bf_baddr = bf->txbuf_dma.cookie.dmac_address;
586 		bf->bf_mem = (uint8_t *)(bf->txbuf_dma.mem_va);
587 		bf->bf_daddr = ring->physaddr + _PTRDIFF(ds, ring->desc);
588 		bf->bf_desc = ds;
589 	}
590 
591 	(void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
592 	    0,
593 	    ring->txdesc_dma.alength,
594 	    DDI_DMA_SYNC_FORDEV);
595 
596 	return (0);
597 }
598 
599 /* ARGSUSED */
600 static void
601 mwl_free_tx_ring(struct mwl_softc *sc, struct mwl_tx_ring *ring)
602 {
603 	struct mwl_txbuf *bf;
604 	int i;
605 
606 	if (ring->desc != NULL) {
607 		mwl_free_dma_mem(&ring->txdesc_dma);
608 	}
609 
610 	if (ring->buf != NULL) {
611 		for (i = 0; i < ring->count; i++) {
612 			bf = &ring->buf[i];
613 			mwl_free_dma_mem(&bf->txbuf_dma);
614 		}
615 		kmem_free(ring->buf,
616 		    (ring->count * sizeof (struct mwl_txbuf)));
617 	}
618 }
619 
620 /*
621  * Inform the f/w about location of the tx/rx dma data structures
622  * and related state.  This cmd must be done immediately after a
623  * mwl_hal_gethwspecs call or the f/w will lockup.
624  */
625 static int
626 mwl_hal_sethwdma(struct mwl_softc *sc, const struct mwl_hal_txrxdma *dma)
627 {
628 	HostCmd_DS_SET_HW_SPEC *pCmd;
629 	int retval;
630 
631 	_CMD_SETUP(pCmd, HostCmd_DS_SET_HW_SPEC, HostCmd_CMD_SET_HW_SPEC);
632 	pCmd->WcbBase[0] = LE_32(dma->wcbBase[0]);
633 	pCmd->WcbBase[1] = LE_32(dma->wcbBase[1]);
634 	pCmd->WcbBase[2] = LE_32(dma->wcbBase[2]);
635 	pCmd->WcbBase[3] = LE_32(dma->wcbBase[3]);
636 	pCmd->TxWcbNumPerQueue = LE_32(dma->maxNumTxWcb);
637 	pCmd->NumTxQueues = LE_32(dma->maxNumWCB);
638 	pCmd->TotalRxWcb = LE_32(1);		/* XXX */
639 	pCmd->RxPdWrPtr = LE_32(dma->rxDescRead);
640 	/*
641 	 * pCmd->Flags = LE_32(SET_HW_SPEC_HOSTFORM_BEACON
642 	 * #ifdef MWL_HOST_PS_SUPPORT
643 	 * | SET_HW_SPEC_HOST_POWERSAVE
644 	 * #endif
645 	 * | SET_HW_SPEC_HOSTFORM_PROBERESP);
646 	 */
647 	pCmd->Flags = 0;
648 	/* disable multi-bss operation for A1-A4 parts */
649 	if (sc->sc_revs.mh_macRev < 5)
650 		pCmd->Flags |= LE_32(SET_HW_SPEC_DISABLEMBSS);
651 
652 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_HW_SPEC);
653 	if (retval == 0) {
654 		if (pCmd->Flags & LE_32(SET_HW_SPEC_DISABLEMBSS))
655 			sc->sc_hw_flags &= ~MHF_MBSS;
656 		else
657 			sc->sc_hw_flags |= MHF_MBSS;
658 	}
659 
660 	return (retval);
661 }
662 
663 /*
664  * Inform firmware of our tx/rx dma setup.  The BAR 0
665  * writes below are for compatibility with older firmware.
666  * For current firmware we send this information with a
667  * cmd block via mwl_hal_sethwdma.
668  */
669 static int
670 mwl_setupdma(struct mwl_softc *sc)
671 {
672 	int i, err;
673 
674 	sc->sc_hwdma.rxDescRead = sc->sc_rxring.physaddr;
675 	mwl_mem_write4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead);
676 	mwl_mem_write4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead);
677 
678 	for (i = 0; i < MWL_NUM_TX_QUEUES - MWL_NUM_ACK_QUEUES; i++) {
679 		struct mwl_tx_ring *txring = &sc->sc_txring[i];
680 		sc->sc_hwdma.wcbBase[i] = txring->physaddr;
681 		mwl_mem_write4(sc, sc->sc_hwspecs.wcbBase[i],
682 		    sc->sc_hwdma.wcbBase[i]);
683 	}
684 	sc->sc_hwdma.maxNumTxWcb = MWL_TX_RING_COUNT;
685 	sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES - MWL_NUM_ACK_QUEUES;
686 
687 	err = mwl_hal_sethwdma(sc, &sc->sc_hwdma);
688 	if (err != 0) {
689 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_setupdma(): "
690 		    "unable to setup tx/rx dma; hal status %u\n", err);
691 		/* XXX */
692 	}
693 
694 	return (err);
695 }
696 
697 /* ARGSUSED */
698 static void
699 mwl_txq_init(struct mwl_softc *sc, struct mwl_tx_ring *txring, int qnum)
700 {
701 	struct mwl_txbuf *bf;
702 	struct mwl_txdesc *ds;
703 	int i;
704 
705 	txring->qnum = qnum;
706 	txring->txpri = 0;	/* XXX */
707 
708 	bf = txring->buf;
709 	ds = txring->desc;
710 	for (i = 0; i < MWL_TX_RING_COUNT - 1; i++) {
711 		bf++;
712 		ds->pPhysNext = bf->bf_daddr;
713 		ds++;
714 	}
715 	bf = txring->buf;
716 	ds->pPhysNext = LE_32(bf->bf_daddr);
717 }
718 
719 /*
720  * Setup a hardware data transmit queue for the specified
721  * access control.  We record the mapping from ac's
722  * to h/w queues for use by mwl_tx_start.
723  */
724 static int
725 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype)
726 {
727 #define	N(a)	(sizeof (a)/sizeof (a[0]))
728 	struct mwl_tx_ring *txring;
729 
730 	if (ac >= N(sc->sc_ac2q)) {
731 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_tx_setup(): "
732 		    "AC %u out of range, max %u!\n",
733 		    ac, (uint_t)N(sc->sc_ac2q));
734 		return (0);
735 	}
736 	if (mvtype >= MWL_NUM_TX_QUEUES) {
737 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_tx_setup(): "
738 		    "mvtype %u out of range, max %u!\n",
739 		    mvtype, MWL_NUM_TX_QUEUES);
740 		return (0);
741 	}
742 	txring = &sc->sc_txring[mvtype];
743 	mwl_txq_init(sc, txring, mvtype);
744 	sc->sc_ac2q[ac] = txring;
745 	return (1);
746 #undef N
747 }
748 
749 static int
750 mwl_setup_txq(struct mwl_softc *sc)
751 {
752 	int err = 0;
753 
754 	/* NB: insure BK queue is the lowest priority h/w queue */
755 	if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) {
756 		MWL_DBG(MWL_DBG_DMA, "mwl: mwl_setup_txq(): "
757 		    "unable to setup xmit queue for %s traffic!\n",
758 		    mwl_wme_acnames[WME_AC_BK]);
759 		err = EIO;
760 		return (err);
761 	}
762 	if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) ||
763 	    !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) ||
764 	    !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) {
765 		/*
766 		 * Not enough hardware tx queues to properly do WME;
767 		 * just punt and assign them all to the same h/w queue.
768 		 * We could do a better job of this if, for example,
769 		 * we allocate queues when we switch from station to
770 		 * AP mode.
771 		 */
772 		sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK];
773 		sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK];
774 		sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK];
775 	}
776 
777 	return (err);
778 }
779 
780 /*
781  * find mwl firmware module's "_start" "_end" symbols
782  * and get its size.
783  */
784 static int
785 mwl_loadsym(ddi_modhandle_t modp, char *sym, char **start, size_t *len)
786 {
787 	char start_sym[64];
788 	char end_sym[64];
789 	char *p, *end;
790 	int rv;
791 	size_t n;
792 
793 	(void) snprintf(start_sym, sizeof (start_sym), "%s_start", sym);
794 	(void) snprintf(end_sym, sizeof (end_sym), "%s_end", sym);
795 
796 	p = (char *)ddi_modsym(modp, start_sym, &rv);
797 	if (p == NULL || rv != 0) {
798 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadsym(): "
799 		    "mod %s: symbol %s not found\n", sym, start_sym);
800 		return (-1);
801 	}
802 
803 	end = (char *)ddi_modsym(modp, end_sym, &rv);
804 	if (end == NULL || rv != 0) {
805 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadsym(): "
806 		    "mod %s: symbol %s not found\n", sym, end_sym);
807 		return (-1);
808 	}
809 
810 	n = _PTRDIFF(end, p);
811 	*start = p;
812 	*len = n;
813 
814 	return (0);
815 }
816 
817 static void
818 mwlFwReset(struct mwl_softc *sc)
819 {
820 	if (mwl_ctl_read4(sc,  MACREG_REG_INT_CODE) == 0xffffffff) {
821 		MWL_DBG(MWL_DBG_FW, "mwl: mwlFWReset(): "
822 		    "device not present!\n");
823 		return;
824 	}
825 
826 	mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS, ISR_RESET);
827 	sc->sc_hw_flags &= ~MHF_FWHANG;
828 }
829 
830 static void
831 mwlPokeSdramController(struct mwl_softc *sc, int SDRAMSIZE_Addr)
832 {
833 	/* Set up sdram controller for superflyv2 */
834 	mwl_ctl_write4(sc, 0x00006014, 0x33);
835 	mwl_ctl_write4(sc, 0x00006018, 0xa3a2632);
836 	mwl_ctl_write4(sc, 0x00006010, SDRAMSIZE_Addr);
837 }
838 
839 static void
840 mwlTriggerPciCmd(struct mwl_softc *sc)
841 {
842 	(void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
843 	    0,
844 	    sc->sc_cmd_dma.alength,
845 	    DDI_DMA_SYNC_FORDEV);
846 
847 	mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, sc->sc_cmd_dmaaddr);
848 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
849 
850 	mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0x00);
851 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
852 
853 	mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
854 	    MACREG_H2ARIC_BIT_DOOR_BELL);
855 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
856 }
857 
858 static int
859 mwlWaitFor(struct mwl_softc *sc, uint32_t val)
860 {
861 	int i;
862 
863 	for (i = 0; i < FW_MAX_NUM_CHECKS; i++) {
864 		DELAY(FW_CHECK_USECS);
865 		if (mwl_ctl_read4(sc, MACREG_REG_INT_CODE) == val)
866 			return (1);
867 	}
868 	return (0);
869 }
870 
871 /*
872  * Firmware block xmit when talking to the boot-rom.
873  */
874 static int
875 mwlSendBlock(struct mwl_softc *sc, int bsize, const void *data, size_t dsize)
876 {
877 	sc->sc_cmd_mem[0] = LE_16(HostCmd_CMD_CODE_DNLD);
878 	sc->sc_cmd_mem[1] = LE_16(bsize);
879 	(void) memcpy(&sc->sc_cmd_mem[4], data, dsize);
880 	mwlTriggerPciCmd(sc);
881 	/* XXX 2000 vs 200 */
882 	if (mwlWaitFor(sc, MACREG_INT_CODE_CMD_FINISHED)) {
883 		mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
884 		return (1);
885 	}
886 
887 	MWL_DBG(MWL_DBG_FW, "mwl: mwlSendBlock(): "
888 	    "timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
889 	    mwl_ctl_read4(sc, MACREG_REG_INT_CODE));
890 	return (0);
891 }
892 
893 /*
894  * Firmware block xmit when talking to the 1st-stage loader.
895  */
896 static int
897 mwlSendBlock2(struct mwl_softc *sc, const void *data, size_t dsize)
898 {
899 	(void) memcpy(&sc->sc_cmd_mem[0], data, dsize);
900 	mwlTriggerPciCmd(sc);
901 	if (mwlWaitFor(sc, MACREG_INT_CODE_CMD_FINISHED)) {
902 		mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
903 		return (1);
904 	}
905 
906 	MWL_DBG(MWL_DBG_FW, "mwl: mwlSendBlock2(): "
907 	    "timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
908 	    mwl_ctl_read4(sc, MACREG_REG_INT_CODE));
909 	return (0);
910 }
911 
912 /* ARGSUSED */
913 static int
914 mwl_fwload(struct mwl_softc *sc, void *fwargs)
915 {
916 	char *fwname = "mwlfw";
917 	char *fwbootname = "mwlboot";
918 	char *fwbinname = "mw88W8363fw";
919 	char *fwboot_index, *fw_index;
920 	uint8_t *fw, *fwboot;
921 	ddi_modhandle_t modfw;
922 	/* XXX get from firmware header */
923 	uint32_t FwReadySignature = HostCmd_SOFTAP_FWRDY_SIGNATURE;
924 	uint32_t OpMode = HostCmd_SOFTAP_MODE;
925 	const uint8_t *fp, *ep;
926 	size_t fw_size, fwboot_size;
927 	uint32_t blocksize, nbytes;
928 	int i, rv, err, ntries;
929 
930 	rv = err = 0;
931 	fw = fwboot = NULL;
932 	fw_index = fwboot_index = NULL;
933 
934 	modfw = ddi_modopen(fwname, KRTLD_MODE_FIRST, &rv);
935 	if (modfw == NULL) {
936 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
937 		    "module %s not found\n", fwname);
938 		err = -1;
939 		goto bad2;
940 	}
941 
942 	err = mwl_loadsym(modfw, fwbootname, &fwboot_index, &fwboot_size);
943 	if (err != 0) {
944 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
945 		    "could not get boot firmware\n");
946 		err = -1;
947 		goto bad2;
948 	}
949 
950 	err = mwl_loadsym(modfw, fwbinname, &fw_index, &fw_size);
951 	if (err != 0) {
952 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
953 		    "could not get firmware\n");
954 		err = -1;
955 		goto bad2;
956 	}
957 
958 	fwboot = (uint8_t *)kmem_alloc(fwboot_size, KM_SLEEP);
959 	if (fwboot == NULL) {
960 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadfirmware(): "
961 		    "failed to alloc boot firmware memory\n");
962 		err = -1;
963 		goto bad2;
964 	}
965 	(void) memcpy(fwboot, fwboot_index, fwboot_size);
966 
967 	fw = (uint8_t *)kmem_alloc(fw_size, KM_SLEEP);
968 	if (fw == NULL) {
969 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadfirmware(): "
970 		    "failed to alloc firmware memory\n");
971 		err = -1;
972 		goto bad2;
973 	}
974 	(void) memcpy(fw, fw_index, fw_size);
975 
976 	if (modfw != NULL)
977 		(void) ddi_modclose(modfw);
978 
979 	if (fw_size < 4) {
980 		MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
981 		    "could not load firmware image %s\n",
982 		    fwname);
983 		err = ENXIO;
984 		goto bad2;
985 	}
986 
987 	if (fw[0] == 0x01 && fw[1] == 0x00 &&
988 	    fw[2] == 0x00 && fw[3] == 0x00) {
989 		/*
990 		 * 2-stage load, get the boot firmware.
991 		 */
992 		if (fwboot == NULL) {
993 			MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
994 			    "could not load firmware image %s\n",
995 			    fwbootname);
996 			err = ENXIO;
997 			goto bad2;
998 		}
999 	} else
1000 		fwboot = NULL;
1001 
1002 	mwlFwReset(sc);
1003 
1004 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CLEAR_SEL,
1005 	    MACREG_A2HRIC_BIT_MASK);
1006 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE, 0x00);
1007 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, 0x00);
1008 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_STATUS_MASK,
1009 	    MACREG_A2HRIC_BIT_MASK);
1010 	if (sc->sc_SDRAMSIZE_Addr != 0) {
1011 		/* Set up sdram controller for superflyv2 */
1012 		mwlPokeSdramController(sc, sc->sc_SDRAMSIZE_Addr);
1013 	}
1014 
1015 	MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
1016 	    "load %s firmware image (%u bytes)\n",
1017 	    fwname, (unsigned int)fw_size);
1018 
1019 	if (fwboot != NULL) {
1020 		/*
1021 		 * Do 2-stage load.  The 1st stage loader is setup
1022 		 * with the bootrom loader then we load the real
1023 		 * image using a different handshake. With this
1024 		 * mechanism the firmware is segmented into chunks
1025 		 * that have a CRC.  If a chunk is incorrect we'll
1026 		 * be told to retransmit.
1027 		 */
1028 		/* XXX assumes hlpimage fits in a block */
1029 		/* NB: zero size block indicates download is finished */
1030 		if (!mwlSendBlock(sc, fwboot_size, fwboot, fwboot_size) ||
1031 		    !mwlSendBlock(sc, 0, NULL, 0)) {
1032 			err = ETIMEDOUT;
1033 			goto bad;
1034 		}
1035 		DELAY(200 * FW_CHECK_USECS);
1036 		if (sc->sc_SDRAMSIZE_Addr != 0) {
1037 			/* Set up sdram controller for superflyv2 */
1038 			mwlPokeSdramController(sc, sc->sc_SDRAMSIZE_Addr);
1039 		}
1040 		nbytes = ntries = 0;		/* NB: silence compiler */
1041 		for (fp = fw, ep = fp + fw_size; fp < ep; ) {
1042 			mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
1043 			blocksize = mwl_ctl_read4(sc, MACREG_REG_SCRATCH);
1044 			if (blocksize == 0)	/* download complete */
1045 				break;
1046 			if (blocksize > 0x00000c00) {
1047 				err = EINVAL;
1048 				goto bad;
1049 			}
1050 			if ((blocksize & 0x1) == 0) {
1051 				/* block successfully downloaded, advance */
1052 				fp += nbytes;
1053 				ntries = 0;
1054 			} else {
1055 				if (++ntries > 2) {
1056 					/*
1057 					 * Guard against f/w telling us to
1058 					 * retry infinitely.
1059 					 */
1060 					err = ELOOP;
1061 					goto bad;
1062 				}
1063 				/* clear NAK bit/flag */
1064 				blocksize &= ~0x1;
1065 			}
1066 			if (blocksize > _PTRDIFF(ep, fp)) {
1067 				/* XXX this should not happen, what to do? */
1068 				blocksize = _PTRDIFF(ep, fp);
1069 			}
1070 			nbytes = blocksize;
1071 			if (!mwlSendBlock2(sc, fp, nbytes)) {
1072 				err = ETIMEDOUT;
1073 				goto bad;
1074 			}
1075 		}
1076 	} else {
1077 		for (fp = fw, ep = fp + fw_size; fp < ep; ) {
1078 			nbytes = _PTRDIFF(ep, fp);
1079 			if (nbytes > FW_DOWNLOAD_BLOCK_SIZE)
1080 				nbytes = FW_DOWNLOAD_BLOCK_SIZE;
1081 			if (!mwlSendBlock(sc, FW_DOWNLOAD_BLOCK_SIZE, fp,
1082 			    nbytes)) {
1083 				err = EIO;
1084 				goto bad;
1085 			}
1086 			fp += nbytes;
1087 		}
1088 	}
1089 
1090 	/*
1091 	 * Wait for firmware to startup; we monitor the
1092 	 * INT_CODE register waiting for a signature to
1093 	 * written back indicating it's ready to go.
1094 	 */
1095 	sc->sc_cmd_mem[1] = 0;
1096 	/*
1097 	 * XXX WAR for mfg fw download
1098 	 */
1099 	if (OpMode != HostCmd_STA_MODE)
1100 		mwlTriggerPciCmd(sc);
1101 	for (i = 0; i < FW_MAX_NUM_CHECKS; i++) {
1102 		mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, OpMode);
1103 		DELAY(FW_CHECK_USECS);
1104 		if (mwl_ctl_read4(sc, MACREG_REG_INT_CODE) ==
1105 		    FwReadySignature) {
1106 			mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0x00);
1107 			return (mwlResetHalState(sc));
1108 		}
1109 	}
1110 	MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
1111 	    "firmware download timeout\n");
1112 	return (ETIMEDOUT);
1113 bad:
1114 	mwlFwReset(sc);
1115 bad2:
1116 	if (fw != NULL)
1117 		kmem_free(fw, fw_size);
1118 	if (fwboot != NULL)
1119 		kmem_free(fwboot, fwboot_size);
1120 	fwboot = fw = NULL;
1121 	fwboot_index = fw_index = NULL;
1122 	if (modfw != NULL)
1123 		(void) ddi_modclose(modfw);
1124 	return (err);
1125 }
1126 
1127 /*
1128  * Low level firmware cmd block handshake support.
1129  */
1130 static void
1131 mwlSendCmd(struct mwl_softc *sc)
1132 {
1133 	(void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
1134 	    0,
1135 	    sc->sc_cmd_dma.alength,
1136 	    DDI_DMA_SYNC_FORDEV);
1137 
1138 	mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, sc->sc_cmd_dmaaddr);
1139 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
1140 
1141 	mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
1142 	    MACREG_H2ARIC_BIT_DOOR_BELL);
1143 }
1144 
1145 static int
1146 mwlExecuteCmd(struct mwl_softc *sc, unsigned short cmd)
1147 {
1148 	if (mwl_ctl_read4(sc,  MACREG_REG_INT_CODE) == 0xffffffff) {
1149 		MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1150 		    "device not present!\n");
1151 		return (EIO);
1152 	}
1153 	mwlSendCmd(sc);
1154 	if (!mwlWaitForCmdComplete(sc, 0x8000 | cmd)) {
1155 		MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1156 		    "timeout waiting for f/w cmd %s\n", mwlcmdname(cmd));
1157 		return (ETIMEDOUT);
1158 	}
1159 	(void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
1160 	    0,
1161 	    sc->sc_cmd_dma.alength,
1162 	    DDI_DMA_SYNC_FORDEV);
1163 
1164 	MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1165 	    "send cmd %s\n", mwlcmdname(cmd));
1166 
1167 	if (mwl_dbg_flags & MWL_DBG_CMD)
1168 		dumpresult(sc, 1);
1169 
1170 	return (0);
1171 }
1172 
1173 static int
1174 mwlWaitForCmdComplete(struct mwl_softc *sc, uint16_t cmdCode)
1175 {
1176 #define	MAX_WAIT_FW_COMPLETE_ITERATIONS	10000
1177 	int i;
1178 
1179 	for (i = 0; i < MAX_WAIT_FW_COMPLETE_ITERATIONS; i++) {
1180 		if (sc->sc_cmd_mem[0] == LE_16(cmdCode))
1181 			return (1);
1182 		DELAY(1 * 1000);
1183 	}
1184 	return (0);
1185 #undef MAX_WAIT_FW_COMPLETE_ITERATIONS
1186 }
1187 
1188 static const char *
1189 mwlcmdname(int cmd)
1190 {
1191 	static char buf[12];
1192 #define	CMD(x)	case HostCmd_CMD_##x: return #x
1193 	switch (cmd) {
1194 	CMD(CODE_DNLD);
1195 	CMD(GET_HW_SPEC);
1196 	CMD(SET_HW_SPEC);
1197 	CMD(MAC_MULTICAST_ADR);
1198 	CMD(802_11_GET_STAT);
1199 	CMD(MAC_REG_ACCESS);
1200 	CMD(BBP_REG_ACCESS);
1201 	CMD(RF_REG_ACCESS);
1202 	CMD(802_11_RADIO_CONTROL);
1203 	CMD(802_11_RF_TX_POWER);
1204 	CMD(802_11_RF_ANTENNA);
1205 	CMD(SET_BEACON);
1206 	CMD(SET_RF_CHANNEL);
1207 	CMD(SET_AID);
1208 	CMD(SET_INFRA_MODE);
1209 	CMD(SET_G_PROTECT_FLAG);
1210 	CMD(802_11_RTS_THSD);
1211 	CMD(802_11_SET_SLOT);
1212 	CMD(SET_EDCA_PARAMS);
1213 	CMD(802_11H_DETECT_RADAR);
1214 	CMD(SET_WMM_MODE);
1215 	CMD(HT_GUARD_INTERVAL);
1216 	CMD(SET_FIXED_RATE);
1217 	CMD(SET_LINKADAPT_CS_MODE);
1218 	CMD(SET_MAC_ADDR);
1219 	CMD(SET_RATE_ADAPT_MODE);
1220 	CMD(BSS_START);
1221 	CMD(SET_NEW_STN);
1222 	CMD(SET_KEEP_ALIVE);
1223 	CMD(SET_APMODE);
1224 	CMD(SET_SWITCH_CHANNEL);
1225 	CMD(UPDATE_ENCRYPTION);
1226 	CMD(BASTREAM);
1227 	CMD(SET_RIFS);
1228 	CMD(SET_N_PROTECT_FLAG);
1229 	CMD(SET_N_PROTECT_OPMODE);
1230 	CMD(SET_OPTIMIZATION_LEVEL);
1231 	CMD(GET_CALTABLE);
1232 	CMD(SET_MIMOPSHT);
1233 	CMD(GET_BEACON);
1234 	CMD(SET_REGION_CODE);
1235 	CMD(SET_POWERSAVESTATION);
1236 	CMD(SET_TIM);
1237 	CMD(GET_TIM);
1238 	CMD(GET_SEQNO);
1239 	CMD(DWDS_ENABLE);
1240 	CMD(AMPDU_RETRY_RATEDROP_MODE);
1241 	CMD(CFEND_ENABLE);
1242 	}
1243 	(void) snprintf(buf, sizeof (buf), "0x%x", cmd);
1244 	return (buf);
1245 #undef CMD
1246 }
1247 
1248 static void
1249 dumpresult(struct mwl_softc *sc, int showresult)
1250 {
1251 	const FWCmdHdr *h = (const FWCmdHdr *)sc->sc_cmd_mem;
1252 	int len;
1253 
1254 	len = LE_16(h->Length);
1255 #ifdef MWL_MBSS_SUPPORT
1256 	MWL_DBG(MWL_DBG_CMD, "mwl: mwl_dumpresult(): "
1257 	    "Cmd %s Length %d SeqNum %d MacId %d",
1258 	    mwlcmdname(LE_16(h->Cmd) & ~0x8000), len, h->SeqNum, h->MacId);
1259 #else
1260 	MWL_DBG(MWL_DBG_CMD, "mwl: mwl_dumpresult(): "
1261 	    "Cmd %s Length %d SeqNum %d",
1262 	    mwlcmdname(LE_16(h->Cmd) & ~0x8000), len, LE_16(h->SeqNum));
1263 #endif
1264 	if (showresult) {
1265 		const char *results[] =
1266 		    { "OK", "ERROR", "NOT_SUPPORT", "PENDING", "BUSY",
1267 		    "PARTIAL_DATA" };
1268 		int result = LE_16(h->Result);
1269 
1270 		if (result <= HostCmd_RESULT_PARTIAL_DATA)
1271 			MWL_DBG(MWL_DBG_CMD, "mwl: dumpresult(): "
1272 			    "Result %s", results[result]);
1273 		else
1274 			MWL_DBG(MWL_DBG_CMD, "mwl: dumpresult(): "
1275 			    "Result %d", result);
1276 	}
1277 }
1278 
1279 static int
1280 mwlGetCalTable(struct mwl_softc *sc, uint8_t annex, uint8_t index)
1281 {
1282 	HostCmd_FW_GET_CALTABLE *pCmd;
1283 	int retval;
1284 
1285 	_CMD_SETUP(pCmd, HostCmd_FW_GET_CALTABLE, HostCmd_CMD_GET_CALTABLE);
1286 	pCmd->annex = annex;
1287 	pCmd->index = index;
1288 	(void) memset(pCmd->calTbl, 0, sizeof (pCmd->calTbl));
1289 
1290 	retval = mwlExecuteCmd(sc, HostCmd_CMD_GET_CALTABLE);
1291 	if (retval == 0 &&
1292 	    pCmd->calTbl[0] != annex && annex != 0 && annex != 255)
1293 		retval = EIO;
1294 	return (retval);
1295 }
1296 
1297 /*
1298  * Construct channel info for 2.4GHz channels from cal data.
1299  */
1300 static void
1301 get2Ghz(MWL_HAL_CHANNELINFO *ci, const uint8_t table[], int len)
1302 {
1303 	int i, j;
1304 
1305 	j = 0;
1306 	for (i = 0; i < len; i += 4) {
1307 		struct mwl_hal_channel *hc = &ci->channels[j];
1308 		hc->ieee = 1+j;
1309 		hc->freq = ieee2mhz(1+j);
1310 		(void) memcpy(hc->targetPowers, &table[i], 4);
1311 		setmaxtxpow(hc, 0, 4);
1312 		j++;
1313 	}
1314 	ci->nchannels = j;
1315 	ci->freqLow = ieee2mhz(1);
1316 	ci->freqHigh = ieee2mhz(j);
1317 }
1318 
1319 /*
1320  * Construct channel info for 5GHz channels from cal data.
1321  */
1322 static void
1323 get5Ghz(MWL_HAL_CHANNELINFO *ci, const uint8_t table[], int len)
1324 {
1325 	int i, j, f, l, h;
1326 
1327 	l = 32000;
1328 	h = 0;
1329 	j = 0;
1330 	for (i = 0; i < len; i += 4) {
1331 		struct mwl_hal_channel *hc;
1332 
1333 		if (table[i] == 0)
1334 			continue;
1335 		f = 5000 + 5*table[i];
1336 		if (f < l)
1337 			l = f;
1338 		if (f > h)
1339 			h = f;
1340 		hc = &ci->channels[j];
1341 		hc->freq = (uint16_t)f;
1342 		hc->ieee = table[i];
1343 		(void) memcpy(hc->targetPowers, &table[i], 4);
1344 		setmaxtxpow(hc, 1, 4);	/* NB: col 1 is the freq, skip */
1345 		j++;
1346 	}
1347 	ci->nchannels = j;
1348 	ci->freqLow = (uint16_t)((l == 32000) ? 0 : l);
1349 	ci->freqHigh = (uint16_t)h;
1350 }
1351 
1352 /*
1353  * Calculate the max tx power from the channel's cal data.
1354  */
1355 static void
1356 setmaxtxpow(struct mwl_hal_channel *hc, int i, int maxix)
1357 {
1358 	hc->maxTxPow = hc->targetPowers[i];
1359 	for (i++; i < maxix; i++)
1360 		if (hc->targetPowers[i] > hc->maxTxPow)
1361 			hc->maxTxPow = hc->targetPowers[i];
1362 }
1363 
1364 static uint16_t
1365 ieee2mhz(int chan)
1366 {
1367 	if (chan == 14)
1368 		return (2484);
1369 	if (chan < 14)
1370 		return (2407 + chan * 5);
1371 	return (2512 + (chan - 15) * 20);
1372 }
1373 
1374 static void
1375 dumpcaldata(const char *name, const uint8_t *table, int n)
1376 {
1377 	int i;
1378 	MWL_DBG(MWL_DBG_HW, "\n%s:\n", name);
1379 	for (i = 0; i < n; i += 4)
1380 		MWL_DBG(MWL_DBG_HW, "[%2d] %3d %3d %3d %3d\n",
1381 		    i/4, table[i+0], table[i+1], table[i+2], table[i+3]);
1382 }
1383 
1384 static int
1385 mwlGetPwrCalTable(struct mwl_softc *sc)
1386 {
1387 	const uint8_t *data;
1388 	MWL_HAL_CHANNELINFO *ci;
1389 	int len;
1390 
1391 	/* NB: we hold the lock so it's ok to use cmdbuf */
1392 	data = ((const HostCmd_FW_GET_CALTABLE *) sc->sc_cmd_mem)->calTbl;
1393 	if (mwlGetCalTable(sc, 33, 0) == 0) {
1394 		len = (data[2] | (data[3] << 8)) - 12;
1395 		if (len > PWTAGETRATETABLE20M)
1396 			len = PWTAGETRATETABLE20M;
1397 		dumpcaldata("2.4G 20M", &data[12], len);
1398 		get2Ghz(&sc->sc_20M, &data[12], len);
1399 	}
1400 	if (mwlGetCalTable(sc, 34, 0) == 0) {
1401 		len = (data[2] | (data[3] << 8)) - 12;
1402 		if (len > PWTAGETRATETABLE40M)
1403 			len = PWTAGETRATETABLE40M;
1404 		dumpcaldata("2.4G 40M", &data[12], len);
1405 		ci = &sc->sc_40M;
1406 		get2Ghz(ci, &data[12], len);
1407 	}
1408 	if (mwlGetCalTable(sc, 35, 0) == 0) {
1409 		len = (data[2] | (data[3] << 8)) - 20;
1410 		if (len > PWTAGETRATETABLE20M_5G)
1411 			len = PWTAGETRATETABLE20M_5G;
1412 		dumpcaldata("5G 20M", &data[20], len);
1413 		get5Ghz(&sc->sc_20M_5G, &data[20], len);
1414 	}
1415 	if (mwlGetCalTable(sc, 36, 0) == 0) {
1416 		len = (data[2] | (data[3] << 8)) - 20;
1417 		if (len > PWTAGETRATETABLE40M_5G)
1418 			len = PWTAGETRATETABLE40M_5G;
1419 		dumpcaldata("5G 40M", &data[20], len);
1420 		ci = &sc->sc_40M_5G;
1421 		get5Ghz(ci, &data[20], len);
1422 	}
1423 	sc->sc_hw_flags |= MHF_CALDATA;
1424 	return (0);
1425 }
1426 
1427 /*
1428  * Reset internal state after a firmware download.
1429  */
1430 static int
1431 mwlResetHalState(struct mwl_softc *sc)
1432 {
1433 	int err = 0;
1434 
1435 	/*
1436 	 * Fetch cal data for later use.
1437 	 * XXX may want to fetch other stuff too.
1438 	 */
1439 	/* XXX check return */
1440 	if ((sc->sc_hw_flags & MHF_CALDATA) == 0)
1441 		err = mwlGetPwrCalTable(sc);
1442 	return (err);
1443 }
1444 
1445 #define	IEEE80211_CHAN_HTG	(IEEE80211_CHAN_HT|IEEE80211_CHAN_G)
1446 #define	IEEE80211_CHAN_HTA	(IEEE80211_CHAN_HT|IEEE80211_CHAN_A)
1447 
1448 static void
1449 addchan(struct mwl_channel *c, int freq, int flags, int ieee, int txpow)
1450 {
1451 	c->ic_freq = (uint16_t)freq;
1452 	c->ic_flags = flags;
1453 	c->ic_ieee = (uint8_t)ieee;
1454 	c->ic_minpower = 0;
1455 	c->ic_maxpower = 2*txpow;
1456 	c->ic_maxregpower = (uint8_t)txpow;
1457 }
1458 
1459 static const struct mwl_channel *
1460 findchannel(const struct mwl_channel chans[], int nchans,
1461 	int freq, int flags)
1462 {
1463 	const struct mwl_channel *c;
1464 	int i;
1465 
1466 	for (i = 0; i < nchans; i++) {
1467 		c = &chans[i];
1468 		if (c->ic_freq == freq && c->ic_flags == flags)
1469 			return (c);
1470 	}
1471 	return (NULL);
1472 }
1473 
1474 static void
1475 addht40channels(struct mwl_channel chans[], int maxchans, int *nchans,
1476 	const MWL_HAL_CHANNELINFO *ci, int flags)
1477 {
1478 	struct mwl_channel *c;
1479 	const struct mwl_channel *extc;
1480 	const struct mwl_hal_channel *hc;
1481 	int i;
1482 
1483 	c = &chans[*nchans];
1484 
1485 	flags &= ~IEEE80211_CHAN_HT;
1486 	for (i = 0; i < ci->nchannels; i++) {
1487 		/*
1488 		 * Each entry defines an HT40 channel pair; find the
1489 		 * extension channel above and the insert the pair.
1490 		 */
1491 		hc = &ci->channels[i];
1492 		extc = findchannel(chans, *nchans, hc->freq+20,
1493 		    flags | IEEE80211_CHAN_HT20);
1494 		if (extc != NULL) {
1495 			if (*nchans >= maxchans)
1496 				break;
1497 			addchan(c, hc->freq, flags | IEEE80211_CHAN_HT40U,
1498 			    hc->ieee, hc->maxTxPow);
1499 			c->ic_extieee = extc->ic_ieee;
1500 			c++, (*nchans)++;
1501 			if (*nchans >= maxchans)
1502 				break;
1503 			addchan(c, extc->ic_freq, flags | IEEE80211_CHAN_HT40D,
1504 			    extc->ic_ieee, hc->maxTxPow);
1505 			c->ic_extieee = hc->ieee;
1506 			c++, (*nchans)++;
1507 		}
1508 	}
1509 }
1510 
1511 static void
1512 addchannels(struct mwl_channel chans[], int maxchans, int *nchans,
1513 	const MWL_HAL_CHANNELINFO *ci, int flags)
1514 {
1515 	struct mwl_channel *c;
1516 	int i;
1517 
1518 	c = &chans[*nchans];
1519 
1520 	for (i = 0; i < ci->nchannels; i++) {
1521 		const struct mwl_hal_channel *hc;
1522 
1523 		hc = &ci->channels[i];
1524 		if (*nchans >= maxchans)
1525 			break;
1526 		addchan(c, hc->freq, flags, hc->ieee, hc->maxTxPow);
1527 		c++, (*nchans)++;
1528 
1529 		if (flags == IEEE80211_CHAN_G || flags == IEEE80211_CHAN_HTG) {
1530 			/* g channel have a separate b-only entry */
1531 			if (*nchans >= maxchans)
1532 				break;
1533 			c[0] = c[-1];
1534 			c[-1].ic_flags = IEEE80211_CHAN_B;
1535 			c++, (*nchans)++;
1536 		}
1537 		if (flags == IEEE80211_CHAN_HTG) {
1538 			/* HT g channel have a separate g-only entry */
1539 			if (*nchans >= maxchans)
1540 				break;
1541 			c[-1].ic_flags = IEEE80211_CHAN_G;
1542 			c[0] = c[-1];
1543 			c[0].ic_flags &= ~IEEE80211_CHAN_HT;
1544 			c[0].ic_flags |= IEEE80211_CHAN_HT20;	/* HT20 */
1545 			c++, (*nchans)++;
1546 		}
1547 		if (flags == IEEE80211_CHAN_HTA) {
1548 			/* HT a channel have a separate a-only entry */
1549 			if (*nchans >= maxchans)
1550 				break;
1551 			c[-1].ic_flags = IEEE80211_CHAN_A;
1552 			c[0] = c[-1];
1553 			c[0].ic_flags &= ~IEEE80211_CHAN_HT;
1554 			c[0].ic_flags |= IEEE80211_CHAN_HT20;	/* HT20 */
1555 			c++, (*nchans)++;
1556 		}
1557 	}
1558 }
1559 
1560 static int
1561 mwl_hal_getchannelinfo(struct mwl_softc *sc, int band, int chw,
1562 	const MWL_HAL_CHANNELINFO **ci)
1563 {
1564 	switch (band) {
1565 	case MWL_FREQ_BAND_2DOT4GHZ:
1566 		*ci = (chw == MWL_CH_20_MHz_WIDTH) ? &sc->sc_20M : &sc->sc_40M;
1567 		break;
1568 	case MWL_FREQ_BAND_5GHZ:
1569 		*ci = (chw == MWL_CH_20_MHz_WIDTH) ?
1570 		    &sc->sc_20M_5G : &sc->sc_40M_5G;
1571 		break;
1572 	default:
1573 		return (EINVAL);
1574 	}
1575 	return (((*ci)->freqLow == (*ci)->freqHigh) ? EINVAL : 0);
1576 }
1577 
1578 static void
1579 getchannels(struct mwl_softc *sc, int maxchans, int *nchans,
1580 	struct mwl_channel chans[])
1581 {
1582 	const MWL_HAL_CHANNELINFO *ci;
1583 
1584 	/*
1585 	 * Use the channel info from the hal to craft the
1586 	 * channel list.  Note that we pass back an unsorted
1587 	 * list; the caller is required to sort it for us
1588 	 * (if desired).
1589 	 */
1590 	*nchans = 0;
1591 	if (mwl_hal_getchannelinfo(sc,
1592 	    MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
1593 		addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG);
1594 	if (mwl_hal_getchannelinfo(sc,
1595 	    MWL_FREQ_BAND_5GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
1596 		addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA);
1597 	if (mwl_hal_getchannelinfo(sc,
1598 	    MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
1599 		addht40channels(chans, maxchans, nchans, ci,
1600 		    IEEE80211_CHAN_HTG);
1601 	if (mwl_hal_getchannelinfo(sc,
1602 	    MWL_FREQ_BAND_5GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
1603 		addht40channels(chans, maxchans, nchans, ci,
1604 		    IEEE80211_CHAN_HTA);
1605 }
1606 
1607 static int
1608 mwl_getchannels(struct mwl_softc *sc)
1609 {
1610 	/*
1611 	 * Use the channel info from the hal to craft the
1612 	 * channel list for net80211.  Note that we pass up
1613 	 * an unsorted list; net80211 will sort it for us.
1614 	 */
1615 	(void) memset(sc->sc_channels, 0, sizeof (sc->sc_channels));
1616 	sc->sc_nchans = 0;
1617 	getchannels(sc, IEEE80211_CHAN_MAX, &sc->sc_nchans, sc->sc_channels);
1618 
1619 	sc->sc_regdomain.regdomain = SKU_DEBUG;
1620 	sc->sc_regdomain.country = CTRY_DEFAULT;
1621 	sc->sc_regdomain.location = 'I';
1622 	sc->sc_regdomain.isocc[0] = ' ';	/* XXX? */
1623 	sc->sc_regdomain.isocc[1] = ' ';
1624 	return (sc->sc_nchans == 0 ? EIO : 0);
1625 }
1626 
1627 #undef IEEE80211_CHAN_HTA
1628 #undef IEEE80211_CHAN_HTG
1629 
1630 /*
1631  * Return "hw specs".  Note this must be the first
1632  * cmd MUST be done after a firmware download or the
1633  * f/w will lockup.
1634  * XXX move into the hal so driver doesn't need to be responsible
1635  */
1636 static int
1637 mwl_gethwspecs(struct mwl_softc *sc)
1638 {
1639 	struct mwl_hal_hwspec *hw;
1640 	HostCmd_DS_GET_HW_SPEC *pCmd;
1641 	int retval;
1642 
1643 	hw = &sc->sc_hwspecs;
1644 	_CMD_SETUP(pCmd, HostCmd_DS_GET_HW_SPEC, HostCmd_CMD_GET_HW_SPEC);
1645 	(void) memset(&pCmd->PermanentAddr[0], 0xff, IEEE80211_ADDR_LEN);
1646 	pCmd->ulFwAwakeCookie = LE_32((unsigned int)sc->sc_cmd_dmaaddr + 2048);
1647 
1648 	retval = mwlExecuteCmd(sc, HostCmd_CMD_GET_HW_SPEC);
1649 	if (retval == 0) {
1650 		IEEE80211_ADDR_COPY(hw->macAddr, pCmd->PermanentAddr);
1651 		hw->wcbBase[0] = LE_32(pCmd->WcbBase0) & 0x0000ffff;
1652 		hw->wcbBase[1] = LE_32(pCmd->WcbBase1[0]) & 0x0000ffff;
1653 		hw->wcbBase[2] = LE_32(pCmd->WcbBase1[1]) & 0x0000ffff;
1654 		hw->wcbBase[3] = LE_32(pCmd->WcbBase1[2]) & 0x0000ffff;
1655 		hw->rxDescRead = LE_32(pCmd->RxPdRdPtr)& 0x0000ffff;
1656 		hw->rxDescWrite = LE_32(pCmd->RxPdWrPtr)& 0x0000ffff;
1657 		hw->regionCode = LE_16(pCmd->RegionCode) & 0x00ff;
1658 		hw->fwReleaseNumber = LE_32(pCmd->FWReleaseNumber);
1659 		hw->maxNumWCB = LE_16(pCmd->NumOfWCB);
1660 		hw->maxNumMCAddr = LE_16(pCmd->NumOfMCastAddr);
1661 		hw->numAntennas = LE_16(pCmd->NumberOfAntenna);
1662 		hw->hwVersion = pCmd->Version;
1663 		hw->hostInterface = pCmd->HostIf;
1664 
1665 		sc->sc_revs.mh_macRev = hw->hwVersion;		/* XXX */
1666 		sc->sc_revs.mh_phyRev = hw->hostInterface;	/* XXX */
1667 	}
1668 
1669 	return (retval);
1670 }
1671 
1672 static int
1673 mwl_hal_setmac_locked(struct mwl_softc *sc,
1674 	const uint8_t addr[IEEE80211_ADDR_LEN])
1675 {
1676 	HostCmd_DS_SET_MAC *pCmd;
1677 
1678 	_VCMD_SETUP(pCmd, HostCmd_DS_SET_MAC, HostCmd_CMD_SET_MAC_ADDR);
1679 	IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], addr);
1680 #ifdef MWL_MBSS_SUPPORT
1681 	/* NB: already byte swapped */
1682 	pCmd->MacType = WL_MAC_TYPE_PRIMARY_CLIENT;
1683 #endif
1684 	return (mwlExecuteCmd(sc, HostCmd_CMD_SET_MAC_ADDR));
1685 }
1686 
1687 static void
1688 cvtPeerInfo(PeerInfo_t *to, const MWL_HAL_PEERINFO *from)
1689 {
1690 	to->LegacyRateBitMap = LE_32(from->LegacyRateBitMap);
1691 	to->HTRateBitMap = LE_32(from->HTRateBitMap);
1692 	to->CapInfo = LE_16(from->CapInfo);
1693 	to->HTCapabilitiesInfo = LE_16(from->HTCapabilitiesInfo);
1694 	to->MacHTParamInfo = from->MacHTParamInfo;
1695 	to->AddHtInfo.ControlChan = from->AddHtInfo.ControlChan;
1696 	to->AddHtInfo.AddChan = from->AddHtInfo.AddChan;
1697 	to->AddHtInfo.OpMode = LE_16(from->AddHtInfo.OpMode);
1698 	to->AddHtInfo.stbc = LE_16(from->AddHtInfo.stbc);
1699 }
1700 
1701 /* XXX station id must be in [0..63] */
1702 static int
1703 mwl_hal_newstation(struct mwl_softc *sc,
1704 	const uint8_t addr[IEEE80211_ADDR_LEN], uint16_t aid, uint16_t sid,
1705 	const MWL_HAL_PEERINFO *peer, int isQosSta, int wmeInfo)
1706 {
1707 	HostCmd_FW_SET_NEW_STN *pCmd;
1708 	int retval;
1709 
1710 	_VCMD_SETUP(pCmd, HostCmd_FW_SET_NEW_STN, HostCmd_CMD_SET_NEW_STN);
1711 	pCmd->AID = LE_16(aid);
1712 	pCmd->StnId = LE_16(sid);
1713 	pCmd->Action = LE_16(0);	/* SET */
1714 	if (peer != NULL) {
1715 		/* NB: must fix up byte order */
1716 		cvtPeerInfo(&pCmd->PeerInfo, peer);
1717 	}
1718 	IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], addr);
1719 	pCmd->Qosinfo = (uint8_t)wmeInfo;
1720 	pCmd->isQosSta = (isQosSta != 0);
1721 
1722 	MWL_DBG(MWL_DBG_HW, "mwl: mwl_hal_newstation(): "
1723 	    "LegacyRateBitMap %x, CapInfo %x\n",
1724 	    pCmd->PeerInfo.LegacyRateBitMap, pCmd->PeerInfo.CapInfo);
1725 
1726 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_NEW_STN);
1727 	return (retval);
1728 }
1729 
1730 /*
1731  * Configure antenna use.
1732  * Takes effect immediately.
1733  * XXX tx antenna setting ignored
1734  * XXX rx antenna setting should always be 3 (for now)
1735  */
1736 static int
1737 mwl_hal_setantenna(struct mwl_softc *sc, MWL_HAL_ANTENNA dirSet, int ant)
1738 {
1739 	HostCmd_DS_802_11_RF_ANTENNA *pCmd;
1740 	int retval;
1741 
1742 	if (!(dirSet == WL_ANTENNATYPE_RX || dirSet == WL_ANTENNATYPE_TX))
1743 		return (EINVAL);
1744 
1745 	_CMD_SETUP(pCmd, HostCmd_DS_802_11_RF_ANTENNA,
1746 	    HostCmd_CMD_802_11_RF_ANTENNA);
1747 	pCmd->Action = LE_16(dirSet);
1748 	if (ant == 0)			/* default to all/both antennae */
1749 		ant = 3;
1750 	pCmd->AntennaMode = LE_16(ant);
1751 
1752 	retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RF_ANTENNA);
1753 	return (retval);
1754 }
1755 
1756 /*
1757  * Configure radio.
1758  * Takes effect immediately.
1759  * XXX preamble installed after set fixed rate cmd
1760  */
1761 static int
1762 mwl_hal_setradio(struct mwl_softc *sc, int onoff, MWL_HAL_PREAMBLE preamble)
1763 {
1764 	HostCmd_DS_802_11_RADIO_CONTROL *pCmd;
1765 	int retval;
1766 
1767 	_CMD_SETUP(pCmd, HostCmd_DS_802_11_RADIO_CONTROL,
1768 	    HostCmd_CMD_802_11_RADIO_CONTROL);
1769 	pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1770 	if (onoff == 0)
1771 		pCmd->Control = 0;
1772 	else
1773 		pCmd->Control = LE_16(preamble);
1774 	pCmd->RadioOn = LE_16(onoff);
1775 
1776 	retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RADIO_CONTROL);
1777 	return (retval);
1778 }
1779 
1780 static int
1781 mwl_hal_setwmm(struct mwl_softc *sc, int onoff)
1782 {
1783 	HostCmd_FW_SetWMMMode *pCmd;
1784 	int retval;
1785 
1786 	_CMD_SETUP(pCmd, HostCmd_FW_SetWMMMode,
1787 	    HostCmd_CMD_SET_WMM_MODE);
1788 	pCmd->Action = LE_16(onoff);
1789 
1790 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_WMM_MODE);
1791 	return (retval);
1792 }
1793 
1794 /*
1795  * Convert public channel flags definition to a
1796  * value suitable for feeding to the firmware.
1797  * Note this includes byte swapping.
1798  */
1799 static uint32_t
1800 cvtChannelFlags(const MWL_HAL_CHANNEL *chan)
1801 {
1802 	uint32_t w;
1803 
1804 	/*
1805 	 * NB: f/w only understands FREQ_BAND_5GHZ, supplying the more
1806 	 * precise band info causes it to lockup (sometimes).
1807 	 */
1808 	w = (chan->channelFlags.FreqBand == MWL_FREQ_BAND_2DOT4GHZ) ?
1809 	    FREQ_BAND_2DOT4GHZ : FREQ_BAND_5GHZ;
1810 	switch (chan->channelFlags.ChnlWidth) {
1811 	case MWL_CH_10_MHz_WIDTH:
1812 		w |= CH_10_MHz_WIDTH;
1813 		break;
1814 	case MWL_CH_20_MHz_WIDTH:
1815 		w |= CH_20_MHz_WIDTH;
1816 		break;
1817 	case MWL_CH_40_MHz_WIDTH:
1818 	default:
1819 		w |= CH_40_MHz_WIDTH;
1820 		break;
1821 	}
1822 	switch (chan->channelFlags.ExtChnlOffset) {
1823 	case MWL_EXT_CH_NONE:
1824 		w |= EXT_CH_NONE;
1825 		break;
1826 	case MWL_EXT_CH_ABOVE_CTRL_CH:
1827 		w |= EXT_CH_ABOVE_CTRL_CH;
1828 		break;
1829 	case MWL_EXT_CH_BELOW_CTRL_CH:
1830 		w |= EXT_CH_BELOW_CTRL_CH;
1831 		break;
1832 	}
1833 	return (LE_32(w));
1834 }
1835 
1836 static int
1837 mwl_hal_setchannel(struct mwl_softc *sc, const MWL_HAL_CHANNEL *chan)
1838 {
1839 	HostCmd_FW_SET_RF_CHANNEL *pCmd;
1840 	int retval;
1841 
1842 	_CMD_SETUP(pCmd, HostCmd_FW_SET_RF_CHANNEL, HostCmd_CMD_SET_RF_CHANNEL);
1843 	pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1844 	pCmd->CurrentChannel = chan->channel;
1845 	pCmd->ChannelFlags = cvtChannelFlags(chan);	/* NB: byte-swapped */
1846 
1847 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_RF_CHANNEL);
1848 	return (retval);
1849 }
1850 
1851 static int
1852 mwl_hal_settxpower(struct mwl_softc *sc,
1853     const MWL_HAL_CHANNEL *c, uint8_t maxtxpow)
1854 {
1855 	HostCmd_DS_802_11_RF_TX_POWER *pCmd;
1856 	const struct mwl_hal_channel *hc;
1857 	int i = 0, retval;
1858 
1859 	hc = findhalchannel(sc, c);
1860 	if (hc == NULL) {
1861 		/* XXX temp while testing */
1862 		MWL_DBG(MWL_DBG_HW, "mwl: mwl_hal_settxpower(): "
1863 		    "no cal data for channel %u band %u width %u ext %u\n",
1864 		    c->channel, c->channelFlags.FreqBand,
1865 		    c->channelFlags.ChnlWidth, c->channelFlags.ExtChnlOffset);
1866 		return (EINVAL);
1867 	}
1868 
1869 	_CMD_SETUP(pCmd, HostCmd_DS_802_11_RF_TX_POWER,
1870 	    HostCmd_CMD_802_11_RF_TX_POWER);
1871 	pCmd->Action = LE_16(HostCmd_ACT_GEN_SET_LIST);
1872 	/* NB: 5Ghz cal data have the channel # in [0]; don't truncate */
1873 	if (c->channelFlags.FreqBand == MWL_FREQ_BAND_5GHZ)
1874 		pCmd->PowerLevelList[i++] = LE_16(hc->targetPowers[0]);
1875 	for (; i < 4; i++) {
1876 		uint16_t pow = hc->targetPowers[i];
1877 		if (pow > maxtxpow)
1878 			pow = maxtxpow;
1879 		pCmd->PowerLevelList[i] = LE_16(pow);
1880 	}
1881 	retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RF_TX_POWER);
1882 	return (retval);
1883 }
1884 
1885 #define	RATEVAL(r)	((r) &~ RATE_MCS)
1886 #define	RATETYPE(r)	(((r) & RATE_MCS) ? HT_RATE_TYPE : LEGACY_RATE_TYPE)
1887 
1888 static int
1889 mwl_hal_settxrate(struct mwl_softc *sc, MWL_HAL_TXRATE_HANDLING handling,
1890 	const MWL_HAL_TXRATE *rate)
1891 {
1892 	HostCmd_FW_USE_FIXED_RATE *pCmd;
1893 	FIXED_RATE_ENTRY *fp;
1894 	int retval, i, n;
1895 
1896 	_VCMD_SETUP(pCmd, HostCmd_FW_USE_FIXED_RATE,
1897 	    HostCmd_CMD_SET_FIXED_RATE);
1898 
1899 	pCmd->MulticastRate = RATEVAL(rate->McastRate);
1900 	pCmd->MultiRateTxType = RATETYPE(rate->McastRate);
1901 	/* NB: no rate type field */
1902 	pCmd->ManagementRate = RATEVAL(rate->MgtRate);
1903 	(void) memset(pCmd->FixedRateTable, 0, sizeof (pCmd->FixedRateTable));
1904 	if (handling == RATE_FIXED) {
1905 		pCmd->Action = LE_32(HostCmd_ACT_GEN_SET);
1906 		pCmd->AllowRateDrop = LE_32(FIXED_RATE_WITHOUT_AUTORATE_DROP);
1907 		fp = pCmd->FixedRateTable;
1908 		fp->FixedRate =
1909 		    LE_32(RATEVAL(rate->RateSeries[0].Rate));
1910 		fp->FixRateTypeFlags.FixRateType =
1911 		    LE_32(RATETYPE(rate->RateSeries[0].Rate));
1912 		pCmd->EntryCount = LE_32(1);
1913 	} else if (handling == RATE_FIXED_DROP) {
1914 		pCmd->Action = LE_32(HostCmd_ACT_GEN_SET);
1915 		pCmd->AllowRateDrop = LE_32(FIXED_RATE_WITH_AUTO_RATE_DROP);
1916 		n = 0;
1917 		fp = pCmd->FixedRateTable;
1918 		for (i = 0; i < 4; i++) {
1919 			if (rate->RateSeries[0].TryCount == 0)
1920 				break;
1921 			fp->FixRateTypeFlags.FixRateType =
1922 			    LE_32(RATETYPE(rate->RateSeries[i].Rate));
1923 			fp->FixedRate =
1924 			    LE_32(RATEVAL(rate->RateSeries[i].Rate));
1925 			fp->FixRateTypeFlags.RetryCountValid =
1926 			    LE_32(RETRY_COUNT_VALID);
1927 			fp->RetryCount =
1928 			    LE_32(rate->RateSeries[i].TryCount-1);
1929 			n++;
1930 		}
1931 		pCmd->EntryCount = LE_32(n);
1932 	} else
1933 		pCmd->Action = LE_32(HostCmd_ACT_NOT_USE_FIXED_RATE);
1934 
1935 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_FIXED_RATE);
1936 	return (retval);
1937 }
1938 
1939 static int
1940 mwl_hal_settxrate_auto(struct mwl_softc *sc, const MWL_HAL_TXRATE *rate)
1941 {
1942 	HostCmd_FW_USE_FIXED_RATE *pCmd;
1943 	int retval;
1944 
1945 	_CMD_SETUP(pCmd, HostCmd_FW_USE_FIXED_RATE,
1946 	    HostCmd_CMD_SET_FIXED_RATE);
1947 
1948 	pCmd->MulticastRate = RATEVAL(rate->McastRate);
1949 	pCmd->MultiRateTxType = RATETYPE(rate->McastRate);
1950 	/* NB: no rate type field */
1951 	pCmd->ManagementRate = RATEVAL(rate->MgtRate);
1952 	(void) memset(pCmd->FixedRateTable, 0, sizeof (pCmd->FixedRateTable));
1953 	pCmd->Action = LE_32(HostCmd_ACT_NOT_USE_FIXED_RATE);
1954 
1955 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_FIXED_RATE);
1956 	return (retval);
1957 }
1958 
1959 #undef RATEVAL
1960 #undef RATETYPE
1961 
1962 /* XXX 0 = indoor, 1 = outdoor */
1963 static int
1964 mwl_hal_setrateadaptmode(struct mwl_softc *sc, uint16_t mode)
1965 {
1966 	HostCmd_DS_SET_RATE_ADAPT_MODE *pCmd;
1967 	int retval;
1968 
1969 	_CMD_SETUP(pCmd, HostCmd_DS_SET_RATE_ADAPT_MODE,
1970 	    HostCmd_CMD_SET_RATE_ADAPT_MODE);
1971 	pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1972 	pCmd->RateAdaptMode = LE_16(mode);
1973 
1974 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_RATE_ADAPT_MODE);
1975 	return (retval);
1976 }
1977 
1978 static int
1979 mwl_hal_setoptimizationlevel(struct mwl_softc *sc, int level)
1980 {
1981 	HostCmd_FW_SET_OPTIMIZATION_LEVEL *pCmd;
1982 	int retval;
1983 
1984 	_CMD_SETUP(pCmd, HostCmd_FW_SET_OPTIMIZATION_LEVEL,
1985 	    HostCmd_CMD_SET_OPTIMIZATION_LEVEL);
1986 	pCmd->OptLevel = (uint8_t)level;
1987 
1988 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_OPTIMIZATION_LEVEL);
1989 	return (retval);
1990 }
1991 
1992 /*
1993  * Set the region code that selects the radar bin'ing agorithm.
1994  */
1995 static int
1996 mwl_hal_setregioncode(struct mwl_softc *sc, int regionCode)
1997 {
1998 	HostCmd_SET_REGIONCODE_INFO *pCmd;
1999 	int retval;
2000 
2001 	_CMD_SETUP(pCmd, HostCmd_SET_REGIONCODE_INFO,
2002 	    HostCmd_CMD_SET_REGION_CODE);
2003 	/* XXX map pseudo-codes to fw codes */
2004 	switch (regionCode) {
2005 	case DOMAIN_CODE_ETSI_131:
2006 		pCmd->regionCode = LE_16(DOMAIN_CODE_ETSI);
2007 		break;
2008 	default:
2009 		pCmd->regionCode = LE_16(regionCode);
2010 		break;
2011 	}
2012 
2013 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_REGION_CODE);
2014 	return (retval);
2015 }
2016 
2017 static int
2018 mwl_hal_setassocid(struct mwl_softc *sc,
2019 	const uint8_t bssId[IEEE80211_ADDR_LEN], uint16_t assocId)
2020 {
2021 	HostCmd_FW_SET_AID *pCmd = (HostCmd_FW_SET_AID *) &sc->sc_cmd_mem[0];
2022 	int retval;
2023 
2024 	_VCMD_SETUP(pCmd, HostCmd_FW_SET_AID, HostCmd_CMD_SET_AID);
2025 	pCmd->AssocID = LE_16(assocId);
2026 	IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], bssId);
2027 
2028 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_AID);
2029 	return (retval);
2030 }
2031 
2032 /*
2033  * Inform firmware of tx rate parameters.  Called whenever
2034  * user-settable params change and after a channel change.
2035  */
2036 static int
2037 mwl_setrates(struct ieee80211com *ic)
2038 {
2039 	struct mwl_softc *sc = (struct mwl_softc *)ic;
2040 	MWL_HAL_TXRATE rates;
2041 
2042 	const struct ieee80211_rateset *rs;
2043 	rs = &ic->ic_bss->in_rates;
2044 
2045 	/*
2046 	 * Update the h/w rate map.
2047 	 * NB: 0x80 for MCS is passed through unchanged
2048 	 */
2049 	(void) memset(&rates, 0, sizeof (rates));
2050 	/* rate used to send management frames */
2051 	rates.MgtRate = rs->ir_rates[0] & IEEE80211_RATE_VAL;
2052 	/* rate used to send multicast frames */
2053 	rates.McastRate = rates.MgtRate;
2054 
2055 	return (mwl_hal_settxrate(sc, RATE_AUTO, &rates));
2056 }
2057 
2058 /*
2059  * Set packet size threshold for implicit use of RTS.
2060  * Takes effect immediately.
2061  * XXX packet length > threshold =>'s RTS
2062  */
2063 static int
2064 mwl_hal_setrtsthreshold(struct mwl_softc *sc, int threshold)
2065 {
2066 	HostCmd_DS_802_11_RTS_THSD *pCmd;
2067 	int retval;
2068 
2069 	_VCMD_SETUP(pCmd, HostCmd_DS_802_11_RTS_THSD,
2070 	    HostCmd_CMD_802_11_RTS_THSD);
2071 	pCmd->Action  = LE_16(HostCmd_ACT_GEN_SET);
2072 	pCmd->Threshold = LE_16(threshold);
2073 
2074 	retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RTS_THSD);
2075 	return (retval);
2076 }
2077 
2078 static int
2079 mwl_hal_setcsmode(struct mwl_softc *sc, MWL_HAL_CSMODE csmode)
2080 {
2081 	HostCmd_DS_SET_LINKADAPT_CS_MODE *pCmd;
2082 	int retval;
2083 
2084 	_CMD_SETUP(pCmd, HostCmd_DS_SET_LINKADAPT_CS_MODE,
2085 	    HostCmd_CMD_SET_LINKADAPT_CS_MODE);
2086 	pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
2087 	pCmd->CSMode = LE_16(csmode);
2088 
2089 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_LINKADAPT_CS_MODE);
2090 	return (retval);
2091 }
2092 
2093 static int
2094 mwl_hal_setpromisc(struct mwl_softc *sc, int ena)
2095 {
2096 	uint32_t v;
2097 
2098 	v = mwl_ctl_read4(sc, MACREG_REG_PROMISCUOUS);
2099 	mwl_ctl_write4(sc, MACREG_REG_PROMISCUOUS, ena ? v | 1 : v & ~1);
2100 
2101 	return (0);
2102 }
2103 
2104 static int
2105 mwl_hal_start(struct mwl_softc *sc)
2106 {
2107 	HostCmd_DS_BSS_START *pCmd;
2108 	int retval;
2109 
2110 	_VCMD_SETUP(pCmd, HostCmd_DS_BSS_START, HostCmd_CMD_BSS_START);
2111 	pCmd->Enable = LE_32(HostCmd_ACT_GEN_ON);
2112 
2113 	retval = mwlExecuteCmd(sc, HostCmd_CMD_BSS_START);
2114 	return (retval);
2115 }
2116 
2117 /*
2118  * Enable sta-mode operation (disables beacon frame xmit).
2119  */
2120 static int
2121 mwl_hal_setinframode(struct mwl_softc *sc)
2122 {
2123 	HostCmd_FW_SET_INFRA_MODE *pCmd;
2124 	int retval;
2125 
2126 	_VCMD_SETUP(pCmd, HostCmd_FW_SET_INFRA_MODE,
2127 	    HostCmd_CMD_SET_INFRA_MODE);
2128 
2129 	retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_INFRA_MODE);
2130 	return (retval);
2131 }
2132 
2133 static int
2134 mwl_hal_stop(struct mwl_softc *sc)
2135 {
2136 	HostCmd_DS_BSS_START *pCmd;
2137 	int retval;
2138 
2139 	_VCMD_SETUP(pCmd, HostCmd_DS_BSS_START,
2140 	    HostCmd_CMD_BSS_START);
2141 	pCmd->Enable = LE_32(HostCmd_ACT_GEN_OFF);
2142 	retval = mwlExecuteCmd(sc, HostCmd_CMD_BSS_START);
2143 
2144 	return (retval);
2145 }
2146 
2147 static int
2148 mwl_hal_keyset(struct mwl_softc *sc, const MWL_HAL_KEYVAL *kv,
2149 	const uint8_t mac[IEEE80211_ADDR_LEN])
2150 {
2151 	HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY *pCmd;
2152 	int retval;
2153 
2154 	_VCMD_SETUP(pCmd, HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY,
2155 	    HostCmd_CMD_UPDATE_ENCRYPTION);
2156 	if (kv->keyFlags & (KEY_FLAG_TXGROUPKEY|KEY_FLAG_RXGROUPKEY))
2157 		pCmd->ActionType = LE_32(EncrActionTypeSetGroupKey);
2158 	else
2159 		pCmd->ActionType = LE_32(EncrActionTypeSetKey);
2160 	pCmd->KeyParam.Length = LE_16(sizeof (pCmd->KeyParam));
2161 	pCmd->KeyParam.KeyTypeId = LE_16(kv->keyTypeId);
2162 	pCmd->KeyParam.KeyInfo = LE_32(kv->keyFlags);
2163 	pCmd->KeyParam.KeyIndex = LE_32(kv->keyIndex);
2164 	/* NB: includes TKIP MIC keys */
2165 	(void) memcpy(&pCmd->KeyParam.Key, &kv->key, kv->keyLen);
2166 	switch (kv->keyTypeId) {
2167 	case KEY_TYPE_ID_WEP:
2168 		pCmd->KeyParam.KeyLen = LE_16(kv->keyLen);
2169 		break;
2170 	case KEY_TYPE_ID_TKIP:
2171 		pCmd->KeyParam.KeyLen = LE_16(sizeof (TKIP_TYPE_KEY));
2172 		pCmd->KeyParam.Key.TkipKey.TkipRsc.low =
2173 		    LE_16(kv->key.tkip.rsc.low);
2174 		pCmd->KeyParam.Key.TkipKey.TkipRsc.high =
2175 		    LE_32(kv->key.tkip.rsc.high);
2176 		pCmd->KeyParam.Key.TkipKey.TkipTsc.low =
2177 		    LE_16(kv->key.tkip.tsc.low);
2178 		pCmd->KeyParam.Key.TkipKey.TkipTsc.high =
2179 		    LE_32(kv->key.tkip.tsc.high);
2180 		break;
2181 	case KEY_TYPE_ID_AES:
2182 		pCmd->KeyParam.KeyLen = LE_16(sizeof (AES_TYPE_KEY));
2183 		break;
2184 	}
2185 #ifdef MWL_MBSS_SUPPORT
2186 	IEEE80211_ADDR_COPY(pCmd->KeyParam.Macaddr, mac);
2187 #else
2188 	IEEE80211_ADDR_COPY(pCmd->Macaddr, mac);
2189 #endif
2190 
2191 	retval = mwlExecuteCmd(sc, HostCmd_CMD_UPDATE_ENCRYPTION);
2192 	return (retval);
2193 }
2194 
2195 static int
2196 mwl_hal_keyreset(struct mwl_softc *sc, const MWL_HAL_KEYVAL *kv,
2197     const uint8_t mac[IEEE80211_ADDR_LEN])
2198 {
2199 	HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY *pCmd;
2200 	int retval;
2201 
2202 	_VCMD_SETUP(pCmd, HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY,
2203 	    HostCmd_CMD_UPDATE_ENCRYPTION);
2204 	pCmd->ActionType = LE_16(EncrActionTypeRemoveKey);
2205 	pCmd->KeyParam.Length = LE_16(sizeof (pCmd->KeyParam));
2206 	pCmd->KeyParam.KeyTypeId = LE_16(kv->keyTypeId);
2207 	pCmd->KeyParam.KeyInfo = LE_32(kv->keyFlags);
2208 	pCmd->KeyParam.KeyIndex = LE_32(kv->keyIndex);
2209 #ifdef MWL_MBSS_SUPPORT
2210 	IEEE80211_ADDR_COPY(pCmd->KeyParam.Macaddr, mac);
2211 #else
2212 	IEEE80211_ADDR_COPY(pCmd->Macaddr, mac);
2213 #endif
2214 	retval = mwlExecuteCmd(sc, HostCmd_CMD_UPDATE_ENCRYPTION);
2215 	return (retval);
2216 }
2217 
2218 /* ARGSUSED */
2219 static struct ieee80211_node *
2220 mwl_node_alloc(struct ieee80211com *ic)
2221 {
2222 	struct mwl_node *mn;
2223 
2224 	mn = kmem_zalloc(sizeof (struct mwl_node), KM_SLEEP);
2225 	if (mn == NULL) {
2226 		/* XXX stat+msg */
2227 		MWL_DBG(MWL_DBG_MSG, "mwl: mwl_node_alloc(): "
2228 		    "alloc node failed\n");
2229 		return (NULL);
2230 	}
2231 	return (&mn->mn_node);
2232 }
2233 
2234 static void
2235 mwl_node_free(struct ieee80211_node *ni)
2236 {
2237 	struct ieee80211com *ic = ni->in_ic;
2238 	struct mwl_node *mn = MWL_NODE(ni);
2239 
2240 	if (mn->mn_staid != 0) {
2241 		// mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr);
2242 		// delstaid(sc, mn->mn_staid);
2243 		mn->mn_staid = 0;
2244 	}
2245 	ic->ic_node_cleanup(ni);
2246 	kmem_free(ni, sizeof (struct mwl_node));
2247 }
2248 
2249 /*
2250  * Allocate a key cache slot for a unicast key.  The
2251  * firmware handles key allocation and every station is
2252  * guaranteed key space so we are always successful.
2253  */
2254 static int
2255 mwl_key_alloc(struct ieee80211com *ic, const struct ieee80211_key *k,
2256 	ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
2257 {
2258 	if (k->wk_keyix != IEEE80211_KEYIX_NONE ||
2259 	    (k->wk_flags & IEEE80211_KEY_GROUP)) {
2260 		if (!(&ic->ic_nw_keys[0] <= k &&
2261 		    k < &ic->ic_nw_keys[IEEE80211_WEP_NKID])) {
2262 			/* should not happen */
2263 			MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2264 			    "bogus group key\n");
2265 			return (0);
2266 		}
2267 		/* give the caller what they requested */
2268 		*keyix = *rxkeyix = k - ic->ic_nw_keys;
2269 		MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2270 		    "alloc GROUP key keyix %x, rxkeyix %x\n",
2271 		    *keyix, *rxkeyix);
2272 	} else {
2273 		/*
2274 		 * Firmware handles key allocation.
2275 		 */
2276 		*keyix = *rxkeyix = 0;
2277 		MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2278 		    "reset key index in key allocation\n");
2279 	}
2280 
2281 	return (1);
2282 }
2283 
2284 /*
2285  * Delete a key entry allocated by mwl_key_alloc.
2286  */
2287 static int
2288 mwl_key_delete(struct ieee80211com *ic, const struct ieee80211_key *k)
2289 {
2290 	struct mwl_softc *sc = (struct mwl_softc *)ic;
2291 	MWL_HAL_KEYVAL hk;
2292 	const uint8_t bcastaddr[IEEE80211_ADDR_LEN] =
2293 	    { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2294 
2295 	(void) memset(&hk, 0, sizeof (hk));
2296 	hk.keyIndex = k->wk_keyix;
2297 	switch (k->wk_cipher->ic_cipher) {
2298 	case IEEE80211_CIPHER_WEP:
2299 		hk.keyTypeId = KEY_TYPE_ID_WEP;
2300 		break;
2301 	case IEEE80211_CIPHER_TKIP:
2302 		hk.keyTypeId = KEY_TYPE_ID_TKIP;
2303 		break;
2304 	case IEEE80211_CIPHER_AES_CCM:
2305 		hk.keyTypeId = KEY_TYPE_ID_AES;
2306 		break;
2307 	default:
2308 		/* XXX should not happen */
2309 		MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_delete(): "
2310 		    "unknown cipher %d\n", k->wk_cipher->ic_cipher);
2311 		return (0);
2312 	}
2313 	return (mwl_hal_keyreset(sc, &hk, bcastaddr) == 0);
2314 }
2315 
2316 /*
2317  * Set the key cache contents for the specified key.  Key cache
2318  * slot(s) must already have been allocated by mwl_key_alloc.
2319  */
2320 /* ARGSUSED */
2321 static int
2322 mwl_key_set(struct ieee80211com *ic, const struct ieee80211_key *k,
2323 	const uint8_t mac[IEEE80211_ADDR_LEN])
2324 {
2325 #define	GRPXMIT	(IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP)
2326 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */
2327 #define	IEEE80211_IS_STATICKEY(k) \
2328 	(((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \
2329 	(GRPXMIT|IEEE80211_KEY_RECV))
2330 	struct mwl_softc *sc = (struct mwl_softc *)ic;
2331 	const struct ieee80211_cipher *cip = k->wk_cipher;
2332 	const uint8_t *macaddr;
2333 	MWL_HAL_KEYVAL hk;
2334 
2335 	(void) memset(&hk, 0, sizeof (hk));
2336 	hk.keyIndex = k->wk_keyix;
2337 	switch (cip->ic_cipher) {
2338 	case IEEE80211_CIPHER_WEP:
2339 		hk.keyTypeId = KEY_TYPE_ID_WEP;
2340 		hk.keyLen = k->wk_keylen;
2341 		if (k->wk_keyix == ic->ic_def_txkey)
2342 			hk.keyFlags = KEY_FLAG_WEP_TXKEY;
2343 		if (!IEEE80211_IS_STATICKEY(k)) {
2344 			/* NB: WEP is never used for the PTK */
2345 			(void) addgroupflags(&hk, k);
2346 		}
2347 		break;
2348 	case IEEE80211_CIPHER_TKIP:
2349 		hk.keyTypeId = KEY_TYPE_ID_TKIP;
2350 		hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16);
2351 		hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc;
2352 		hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID;
2353 		hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE;
2354 		if (!addgroupflags(&hk, k))
2355 			hk.keyFlags |= KEY_FLAG_PAIRWISE;
2356 		break;
2357 	case IEEE80211_CIPHER_AES_CCM:
2358 		hk.keyTypeId = KEY_TYPE_ID_AES;
2359 		hk.keyLen = k->wk_keylen;
2360 		if (!addgroupflags(&hk, k))
2361 			hk.keyFlags |= KEY_FLAG_PAIRWISE;
2362 		break;
2363 	default:
2364 		/* XXX should not happen */
2365 		MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_set(): "
2366 		    "unknown cipher %d\n",
2367 		    k->wk_cipher->ic_cipher);
2368 		return (0);
2369 	}
2370 	/*
2371 	 * NB: tkip mic keys get copied here too; the layout
2372 	 * just happens to match that in ieee80211_key.
2373 	 */
2374 	(void) memcpy(hk.key.aes, k->wk_key, hk.keyLen);
2375 
2376 	/*
2377 	 * Locate address of sta db entry for writing key;
2378 	 * the convention unfortunately is somewhat different
2379 	 * than how net80211, hostapd, and wpa_supplicant think.
2380 	 */
2381 
2382 	/*
2383 	 * NB: keys plumbed before the sta reaches AUTH state
2384 	 * will be discarded or written to the wrong sta db
2385 	 * entry because iv_bss is meaningless.  This is ok
2386 	 * (right now) because we handle deferred plumbing of
2387 	 * WEP keys when the sta reaches AUTH state.
2388 	 */
2389 	macaddr = ic->ic_bss->in_bssid;
2390 	if (k->wk_flags & IEEE80211_KEY_XMIT) {
2391 		/* XXX plumb to local sta db too for static key wep */
2392 		(void) mwl_hal_keyset(sc, &hk, ic->ic_macaddr);
2393 	}
2394 	return (mwl_hal_keyset(sc, &hk, macaddr) == 0);
2395 #undef IEEE80211_IS_STATICKEY
2396 #undef GRPXMIT
2397 }
2398 
2399 /*
2400  * Plumb any static WEP key for the station.  This is
2401  * necessary as we must propagate the key from the
2402  * global key table of the vap to each sta db entry.
2403  */
2404 static void
2405 mwl_setanywepkey(struct ieee80211com *ic, const uint8_t mac[IEEE80211_ADDR_LEN])
2406 {
2407 	if ((ic->ic_flags & (IEEE80211_F_PRIVACY|IEEE80211_F_WPA)) ==
2408 	    IEEE80211_F_PRIVACY &&
2409 	    ic->ic_def_txkey != IEEE80211_KEYIX_NONE &&
2410 	    ic->ic_nw_keys[ic->ic_def_txkey].wk_keyix != IEEE80211_KEYIX_NONE)
2411 		(void) mwl_key_set(ic, &ic->ic_nw_keys[ic->ic_def_txkey], mac);
2412 }
2413 
2414 static void
2415 mwl_setglobalkeys(struct ieee80211com *ic)
2416 {
2417 	struct ieee80211_key *wk;
2418 
2419 	wk = &ic->ic_nw_keys[0];
2420 	for (; wk < &ic->ic_nw_keys[IEEE80211_WEP_NKID]; wk++)
2421 		if (wk->wk_keyix != IEEE80211_KEYIX_NONE)
2422 			(void) mwl_key_set(ic, wk, ic->ic_macaddr);
2423 }
2424 
2425 static int
2426 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k)
2427 {
2428 	if (k->wk_flags & IEEE80211_KEY_GROUP) {
2429 		if (k->wk_flags & IEEE80211_KEY_XMIT)
2430 			hk->keyFlags |= KEY_FLAG_TXGROUPKEY;
2431 		if (k->wk_flags & IEEE80211_KEY_RECV)
2432 			hk->keyFlags |= KEY_FLAG_RXGROUPKEY;
2433 		return (1);
2434 	} else
2435 		return (0);
2436 }
2437 
2438 /*
2439  * Set/change channels.
2440  */
2441 static int
2442 mwl_chan_set(struct mwl_softc *sc, struct mwl_channel *chan)
2443 {
2444 	MWL_HAL_CHANNEL hchan;
2445 	int maxtxpow;
2446 
2447 	MWL_DBG(MWL_DBG_HW, "mwl: mwl_chan_set(): "
2448 	    "chan %u MHz/flags 0x%x\n",
2449 	    chan->ic_freq, chan->ic_flags);
2450 
2451 	/*
2452 	 * Convert to a HAL channel description with
2453 	 * the flags constrained to reflect the current
2454 	 * operating mode.
2455 	 */
2456 	mwl_mapchan(&hchan, chan);
2457 	mwl_hal_intrset(sc, 0);		/* disable interrupts */
2458 
2459 	(void) mwl_hal_setchannel(sc, &hchan);
2460 	/*
2461 	 * Tx power is cap'd by the regulatory setting and
2462 	 * possibly a user-set limit.  We pass the min of
2463 	 * these to the hal to apply them to the cal data
2464 	 * for this channel.
2465 	 * XXX min bound?
2466 	 */
2467 	maxtxpow = 2 * chan->ic_maxregpower;
2468 	if (maxtxpow > 100)
2469 		maxtxpow = 100;
2470 	(void) mwl_hal_settxpower(sc, &hchan, maxtxpow / 2);
2471 	/* NB: potentially change mcast/mgt rates */
2472 	(void) mwl_setcurchanrates(sc);
2473 
2474 	sc->sc_curchan = hchan;
2475 	mwl_hal_intrset(sc, sc->sc_imask);
2476 
2477 	return (0);
2478 }
2479 
2480 /*
2481  * Convert net80211 channel to a HAL channel.
2482  */
2483 static void
2484 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct mwl_channel *chan)
2485 {
2486 	hc->channel = chan->ic_ieee;
2487 
2488 	*(uint32_t *)&hc->channelFlags = 0;
2489 	if (((chan)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
2490 		hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ;
2491 	else if (((chan)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
2492 		hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ;
2493 	if (((chan)->ic_flags & IEEE80211_CHAN_HT40) != 0) {
2494 		hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH;
2495 		if (((chan)->ic_flags & IEEE80211_CHAN_HT40U) != 0)
2496 			hc->channelFlags.ExtChnlOffset =
2497 			    MWL_EXT_CH_ABOVE_CTRL_CH;
2498 		else
2499 			hc->channelFlags.ExtChnlOffset =
2500 			    MWL_EXT_CH_BELOW_CTRL_CH;
2501 	} else
2502 		hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH;
2503 	/* XXX 10MHz channels */
2504 }
2505 
2506 /*
2507  * Return the phy mode for with the specified channel.
2508  */
2509 enum ieee80211_phymode
2510 mwl_chan2mode(const struct mwl_channel *chan)
2511 {
2512 
2513 	if (IEEE80211_IS_CHAN_HTA(chan))
2514 		return (IEEE80211_MODE_11NA);
2515 	else if (IEEE80211_IS_CHAN_HTG(chan))
2516 		return (IEEE80211_MODE_11NG);
2517 	else if (IEEE80211_IS_CHAN_108G(chan))
2518 		return (IEEE80211_MODE_TURBO_G);
2519 	else if (IEEE80211_IS_CHAN_ST(chan))
2520 		return (IEEE80211_MODE_STURBO_A);
2521 	else if (IEEE80211_IS_CHAN_TURBO(chan))
2522 		return (IEEE80211_MODE_TURBO_A);
2523 	else if (IEEE80211_IS_CHAN_HALF(chan))
2524 		return (IEEE80211_MODE_HALF);
2525 	else if (IEEE80211_IS_CHAN_QUARTER(chan))
2526 		return (IEEE80211_MODE_QUARTER);
2527 	else if (IEEE80211_IS_CHAN_A(chan))
2528 		return (IEEE80211_MODE_11A);
2529 	else if (IEEE80211_IS_CHAN_ANYG(chan))
2530 		return (IEEE80211_MODE_11G);
2531 	else if (IEEE80211_IS_CHAN_B(chan))
2532 		return (IEEE80211_MODE_11B);
2533 	else if (IEEE80211_IS_CHAN_FHSS(chan))
2534 		return (IEEE80211_MODE_FH);
2535 
2536 	/* NB: should not get here */
2537 	MWL_DBG(MWL_DBG_HW, "mwl: mwl_chan2mode(): "
2538 	    "cannot map channel to mode; freq %u flags 0x%x\n",
2539 	    chan->ic_freq, chan->ic_flags);
2540 	return (IEEE80211_MODE_11B);
2541 }
2542 
2543 /* XXX inline or eliminate? */
2544 const struct ieee80211_rateset *
2545 mwl_get_suprates(struct ieee80211com *ic, const struct mwl_channel *c)
2546 {
2547 	/* XXX does this work for 11ng basic rates? */
2548 	return (&ic->ic_sup_rates[mwl_chan2mode(c)]);
2549 }
2550 
2551 /*
2552  * Inform firmware of tx rate parameters.
2553  * Called after a channel change.
2554  */
2555 static int
2556 mwl_setcurchanrates(struct mwl_softc *sc)
2557 {
2558 	struct ieee80211com *ic = &sc->sc_ic;
2559 	const struct ieee80211_rateset *rs;
2560 	MWL_HAL_TXRATE rates;
2561 
2562 	(void) memset(&rates, 0, sizeof (rates));
2563 	rs = mwl_get_suprates(ic, sc->sc_cur_chan);
2564 	/* rate used to send management frames */
2565 	rates.MgtRate = rs->ir_rates[0] & IEEE80211_RATE_VAL;
2566 	/* rate used to send multicast frames */
2567 	rates.McastRate = rates.MgtRate;
2568 
2569 	return (mwl_hal_settxrate_auto(sc, &rates));
2570 }
2571 
2572 static const struct mwl_hal_channel *
2573 findhalchannel(const struct mwl_softc *sc, const MWL_HAL_CHANNEL *c)
2574 {
2575 	const struct mwl_hal_channel *hc;
2576 	const MWL_HAL_CHANNELINFO *ci;
2577 	int chan = c->channel, i;
2578 
2579 	if (c->channelFlags.FreqBand == MWL_FREQ_BAND_2DOT4GHZ) {
2580 		i = chan - 1;
2581 		if (c->channelFlags.ChnlWidth == MWL_CH_40_MHz_WIDTH) {
2582 			ci = &sc->sc_40M;
2583 			if (c->channelFlags.ExtChnlOffset ==
2584 			    MWL_EXT_CH_BELOW_CTRL_CH)
2585 				i -= 4;
2586 		} else
2587 			ci = &sc->sc_20M;
2588 		/* 2.4G channel table is directly indexed */
2589 		hc = ((unsigned)i < ci->nchannels) ? &ci->channels[i] : NULL;
2590 	} else if (c->channelFlags.FreqBand == MWL_FREQ_BAND_5GHZ) {
2591 		if (c->channelFlags.ChnlWidth == MWL_CH_40_MHz_WIDTH) {
2592 			ci = &sc->sc_40M_5G;
2593 			if (c->channelFlags.ExtChnlOffset ==
2594 			    MWL_EXT_CH_BELOW_CTRL_CH)
2595 				chan -= 4;
2596 		} else
2597 			ci = &sc->sc_20M_5G;
2598 		/* 5GHz channel table is sparse and must be searched */
2599 		for (i = 0; i < ci->nchannels; i++)
2600 			if (ci->channels[i].ieee == chan)
2601 				break;
2602 		hc = (i < ci->nchannels) ? &ci->channels[i] : NULL;
2603 	} else
2604 		hc = NULL;
2605 	return (hc);
2606 }
2607 
2608 /*
2609  * Map SKU+country code to region code for radar bin'ing.
2610  */
2611 static int
2612 mwl_map2regioncode(const struct mwl_regdomain *rd)
2613 {
2614 	switch (rd->regdomain) {
2615 	case SKU_FCC:
2616 	case SKU_FCC3:
2617 		return (DOMAIN_CODE_FCC);
2618 	case SKU_CA:
2619 		return (DOMAIN_CODE_IC);
2620 	case SKU_ETSI:
2621 	case SKU_ETSI2:
2622 	case SKU_ETSI3:
2623 		if (rd->country == CTRY_SPAIN)
2624 			return (DOMAIN_CODE_SPAIN);
2625 		if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2)
2626 			return (DOMAIN_CODE_FRANCE);
2627 		/* XXX force 1.3.1 radar type */
2628 		return (DOMAIN_CODE_ETSI_131);
2629 	case SKU_JAPAN:
2630 		return (DOMAIN_CODE_MKK);
2631 	case SKU_ROW:
2632 		return (DOMAIN_CODE_DGT);	/* Taiwan */
2633 	case SKU_APAC:
2634 	case SKU_APAC2:
2635 	case SKU_APAC3:
2636 		return (DOMAIN_CODE_AUS);	/* Australia */
2637 	}
2638 	/* XXX KOREA? */
2639 	return (DOMAIN_CODE_FCC);			/* XXX? */
2640 }
2641 
2642 /*
2643  * Setup the rx data structures.  This should only be
2644  * done once or we may get out of sync with the firmware.
2645  */
2646 static int
2647 mwl_startrecv(struct mwl_softc *sc)
2648 {
2649 	struct mwl_rx_ring *ring;
2650 	struct mwl_rxdesc *ds;
2651 	struct mwl_rxbuf *bf, *prev;
2652 
2653 	int i;
2654 
2655 	ring = &sc->sc_rxring;
2656 	bf = ring->buf;
2657 
2658 	prev = NULL;
2659 	for (i = 0; i < MWL_RX_RING_COUNT; i++, bf++) {
2660 		ds = bf->bf_desc;
2661 		/*
2662 		 * NB: DMA buffer contents is known to be unmodified
2663 		 * so there's no need to flush the data cache.
2664 		 */
2665 
2666 		/*
2667 		 * Setup descriptor.
2668 		 */
2669 		ds->QosCtrl = 0;
2670 		ds->RSSI = 0;
2671 		ds->Status = EAGLE_RXD_STATUS_IDLE;
2672 		ds->Channel = 0;
2673 		ds->PktLen = LE_16(MWL_AGGR_SIZE);
2674 		ds->SQ2 = 0;
2675 		ds->pPhysBuffData = LE_32(bf->bf_baddr);
2676 		/* NB: don't touch pPhysNext, set once */
2677 		ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
2678 
2679 		(void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
2680 		    i * sizeof (struct mwl_rxdesc),
2681 		    sizeof (struct mwl_rxdesc),
2682 		    DDI_DMA_SYNC_FORDEV);
2683 
2684 		if (prev != NULL) {
2685 			ds = prev->bf_desc;
2686 			ds->pPhysNext = LE_32(bf->bf_daddr);
2687 		}
2688 		prev = bf;
2689 	}
2690 
2691 	if (prev != NULL) {
2692 		ds = prev->bf_desc;
2693 		ds->pPhysNext = ring->physaddr;
2694 	}
2695 
2696 	/* set filters, etc. */
2697 	(void) mwl_mode_init(sc);
2698 
2699 	return (0);
2700 }
2701 
2702 static int
2703 mwl_mode_init(struct mwl_softc *sc)
2704 {
2705 	/*
2706 	 * NB: Ignore promisc in hostap mode; it's set by the
2707 	 * bridge.  This is wrong but we have no way to
2708 	 * identify internal requests (from the bridge)
2709 	 * versus external requests such as for tcpdump.
2710 	 */
2711 	/* mwl_setmcastfilter - not support now */
2712 	(void) mwl_hal_setpromisc(sc, 0);
2713 
2714 	return (0);
2715 }
2716 
2717 /*
2718  * Kick the firmware to tell it there are new tx descriptors
2719  * for processing.  The driver says what h/w q has work in
2720  * case the f/w ever gets smarter.
2721  */
2722 /* ARGSUSED */
2723 static void
2724 mwl_hal_txstart(struct mwl_softc *sc, int qnum)
2725 {
2726 
2727 	mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
2728 	    MACREG_H2ARIC_BIT_PPA_READY);
2729 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
2730 }
2731 
2732 static int
2733 mwl_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type)
2734 {
2735 	struct mwl_softc *sc = (struct mwl_softc *)ic;
2736 	struct mwl_tx_ring *ring;
2737 	struct mwl_txdesc *ds;
2738 	struct mwl_txbuf *bf;
2739 	struct ieee80211_frame *wh, *wh1;
2740 	struct ieee80211_node *ni = NULL;
2741 
2742 	int err, off;
2743 	int mblen, pktlen, hdrlen;
2744 	mblk_t *m, *m0;
2745 	uint8_t *addr_4, *txbuf;
2746 	uint16_t *pfwlen;
2747 
2748 	MWL_TXLOCK(sc);
2749 
2750 	err = DDI_SUCCESS;
2751 	if (!MWL_IS_RUNNING(sc) || MWL_IS_SUSPEND(sc)) {
2752 		err = ENXIO;
2753 		goto fail1;
2754 	}
2755 
2756 	ring = &sc->sc_txring[1];
2757 	if (ring->queued > 15) {
2758 		MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2759 		    "no txbuf, %d\n", ring->queued);
2760 		sc->sc_need_sched = 1;
2761 		sc->sc_tx_nobuf++;
2762 		err = ENOMEM;
2763 		goto fail1;
2764 	}
2765 
2766 	m = allocb(msgdsize(mp) + 32, BPRI_MED);
2767 	if (m == NULL) {
2768 		MWL_DBG(MWL_DBG_TX, "mwl: mwl_send():"
2769 		    "can't alloc mblk.\n");
2770 		err = DDI_FAILURE;
2771 		goto fail1;
2772 	}
2773 
2774 	for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) {
2775 		mblen = MBLKL(m0);
2776 		(void) bcopy(m0->b_rptr, m->b_rptr + off, mblen);
2777 		off += mblen;
2778 	}
2779 	m->b_wptr += off;
2780 
2781 	wh = (struct ieee80211_frame *)m->b_rptr;
2782 	ni = ieee80211_find_txnode(ic, wh->i_addr1);
2783 	if (ni == NULL) {
2784 		err = DDI_FAILURE;
2785 		sc->sc_tx_err++;
2786 		goto fail2;
2787 	}
2788 
2789 	hdrlen = sizeof (*wh);
2790 	pktlen = msgdsize(m);
2791 
2792 	(void) ieee80211_encap(ic, m, ni);
2793 
2794 	if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2795 		const struct ieee80211_cipher *cip;
2796 		struct ieee80211_key *k;
2797 		k = ieee80211_crypto_encap(ic, m);
2798 		if (k == NULL) {
2799 			sc->sc_tx_err++;
2800 			err = DDI_FAILURE;
2801 			goto fail3;
2802 		}
2803 
2804 		/*
2805 		 * Adjust the packet length for the crypto additions
2806 		 * done during encap and any other bits that the f/w
2807 		 * will add later on.
2808 		 */
2809 		cip = k->wk_cipher;
2810 		pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer;
2811 		/* packet header may have moved, reset our local pointer */
2812 		wh = (struct ieee80211_frame *)m->b_rptr;
2813 	}
2814 
2815 	ds = &ring->desc[ring->cur];
2816 	bf = &ring->buf[ring->cur];
2817 
2818 	bf->bf_node = ieee80211_ref_node(ni);
2819 	txbuf = (uint8_t *)bf->bf_mem;
2820 
2821 	/*
2822 	 * inject FW specific fields into the 802.11 frame
2823 	 *
2824 	 *  2   bytes FW len (inject)
2825 	 *  24 bytes 802.11 frame header
2826 	 *  6   bytes addr4 (inject)
2827 	 *  n   bytes 802.11 frame body
2828 	 */
2829 	pfwlen = (uint16_t *)txbuf;
2830 	*pfwlen = pktlen - hdrlen;
2831 	wh1 = (struct ieee80211_frame *)(txbuf + 2);
2832 	bcopy(wh, wh1, sizeof (struct ieee80211_frame));
2833 	addr_4 = txbuf + (sizeof (struct ieee80211_frame) + sizeof (uint16_t));
2834 	(void) memset(addr_4, 0, 6);
2835 	bcopy(m->b_rptr + sizeof (struct ieee80211_frame), txbuf + 32, *pfwlen);
2836 	pktlen += 8;
2837 
2838 	(void) ddi_dma_sync(bf->txbuf_dma.dma_hdl,
2839 	    0,
2840 	    pktlen,
2841 	    DDI_DMA_SYNC_FORDEV);
2842 
2843 	ds->QosCtrl = 0;
2844 	ds->PktLen = (uint16_t)pktlen;
2845 	ds->PktPtr = bf->bf_baddr;
2846 	ds->Status = LE_32(EAGLE_TXD_STATUS_FW_OWNED);
2847 	ds->Format = 0;
2848 	ds->pad = 0;
2849 	ds->ack_wcb_addr = 0;
2850 	ds->TxPriority = 1;
2851 
2852 	MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2853 	    "tx desc Status %x, DataRate %x, TxPriority %x, QosCtrl %x, "
2854 	    "PktLen %x, SapPktInfo %x, Format %x, Pad %x, ack_wcb_addr %x\n",
2855 	    ds->Status, ds->DataRate, ds->TxPriority, ds->QosCtrl, ds->PktLen,
2856 	    ds->SapPktInfo, ds->Format, ds->pad, ds->ack_wcb_addr);
2857 
2858 	(void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
2859 	    ring->cur * sizeof (struct mwl_txdesc),
2860 	    sizeof (struct mwl_txdesc),
2861 	    DDI_DMA_SYNC_FORDEV);
2862 
2863 	MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2864 	    "pktlen = %u, slot = %u, queued = %x\n",
2865 	    mblen, ring->cur, ring->queued);
2866 
2867 	ring->queued++;
2868 	ring->cur = (ring->cur + 1) % MWL_TX_RING_COUNT;
2869 
2870 	/*
2871 	 * NB: We don't need to lock against tx done because
2872 	 * this just prods the firmware to check the transmit
2873 	 * descriptors.  The firmware will also start fetching
2874 	 * descriptors by itself if it notices new ones are
2875 	 * present when it goes to deliver a tx done interrupt
2876 	 * to the host. So if we race with tx done processing
2877 	 * it's ok.  Delivering the kick here rather than in
2878 	 * mwl_tx_start is an optimization to avoid poking the
2879 	 * firmware for each packet.
2880 	 *
2881 	 * NB: the queue id isn't used so 0 is ok.
2882 	 */
2883 	mwl_hal_txstart(sc, 0);
2884 
2885 	ic->ic_stats.is_tx_frags++;
2886 	ic->ic_stats.is_tx_bytes += pktlen;
2887 
2888 fail3:
2889 	ieee80211_free_node(ni);
2890 fail2:
2891 	freemsg(m);
2892 fail1:
2893 	if ((type & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA ||
2894 	    err == DDI_SUCCESS)
2895 		freemsg(mp);
2896 	MWL_TXUNLOCK(sc);
2897 	return (err);
2898 }
2899 
2900 /*
2901  * This function is called periodically (every 200ms) during scanning to
2902  * switch from one channel to another.
2903  */
2904 static void
2905 mwl_next_scan(void *arg)
2906 {
2907 	struct mwl_softc *sc = (struct mwl_softc *)arg;
2908 	struct ieee80211com *ic = &sc->sc_ic;
2909 
2910 	if (ic->ic_state == IEEE80211_S_SCAN)
2911 		(void) ieee80211_next_scan(ic);
2912 
2913 	sc->sc_scan_id = 0;
2914 }
2915 
2916 /*
2917  * Convert a legacy rate set to a firmware bitmask.
2918  */
2919 static uint32_t
2920 get_rate_bitmap(const struct ieee80211_rateset *rs)
2921 {
2922 	uint32_t rates;
2923 	int i;
2924 
2925 	rates = 0;
2926 	for (i = 0; i < rs->ir_nrates; i++)
2927 		switch (rs->ir_rates[i] & IEEE80211_RATE_VAL) {
2928 		case 2:	  rates |= 0x001; break;
2929 		case 4:	  rates |= 0x002; break;
2930 		case 11:  rates |= 0x004; break;
2931 		case 22:  rates |= 0x008; break;
2932 		case 44:  rates |= 0x010; break;
2933 		case 12:  rates |= 0x020; break;
2934 		case 18:  rates |= 0x040; break;
2935 		case 24:  rates |= 0x080; break;
2936 		case 36:  rates |= 0x100; break;
2937 		case 48:  rates |= 0x200; break;
2938 		case 72:  rates |= 0x400; break;
2939 		case 96:  rates |= 0x800; break;
2940 		case 108: rates |= 0x1000; break;
2941 		}
2942 	return (rates);
2943 }
2944 
2945 /*
2946  * Craft station database entry for station.
2947  * NB: use host byte order here, the hal handles byte swapping.
2948  */
2949 static MWL_HAL_PEERINFO *
2950 mkpeerinfo(MWL_HAL_PEERINFO *pi, const struct ieee80211_node *ni)
2951 {
2952 	(void) memset(pi, 0, sizeof (*pi));
2953 	pi->LegacyRateBitMap = get_rate_bitmap(&ni->in_rates);
2954 	pi->CapInfo = ni->in_capinfo;
2955 	return (pi);
2956 }
2957 
2958 static int
2959 mwl_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
2960 {
2961 	struct mwl_softc *sc = (struct mwl_softc *)ic;
2962 	enum ieee80211_state ostate;
2963 	struct ieee80211_channel *ic_chan;
2964 	struct ieee80211_node *ni = NULL;
2965 	MWL_HAL_PEERINFO pi;
2966 	uint32_t chan;
2967 
2968 	if (sc->sc_scan_id != 0) {
2969 		(void) untimeout(sc->sc_scan_id);
2970 		sc->sc_scan_id = 0;
2971 	}
2972 
2973 	MWL_GLOCK(sc);
2974 
2975 	ostate = ic->ic_state;
2976 	MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
2977 	    "ostate %x -> nstate %x\n",
2978 	    ostate, nstate);
2979 
2980 	switch (nstate) {
2981 	case IEEE80211_S_INIT:
2982 		break;
2983 	case IEEE80211_S_SCAN:
2984 		if (ostate != IEEE80211_S_INIT) {
2985 			ic_chan = ic->ic_curchan;
2986 			chan = ieee80211_chan2ieee(ic, ic_chan);
2987 			if (chan != 0 && chan != IEEE80211_CHAN_ANY) {
2988 				sc->sc_cur_chan =
2989 				    &sc->sc_channels[3 * chan - 2];
2990 				MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
2991 				    "chan num is %u, sc chan is %u\n",
2992 				    chan, sc->sc_cur_chan->ic_ieee);
2993 				(void) mwl_chan_set(sc, sc->sc_cur_chan);
2994 			}
2995 		}
2996 		sc->sc_scan_id = timeout(mwl_next_scan, (void *)sc,
2997 		    drv_usectohz(250000));
2998 		break;
2999 	case IEEE80211_S_AUTH:
3000 		ic_chan = ic->ic_curchan;
3001 		chan = ieee80211_chan2ieee(ic, ic_chan);
3002 		sc->sc_cur_chan = &sc->sc_channels[3 * chan - 2];
3003 		MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
3004 		    "chan num is %u, sc chan is %u\n",
3005 		    chan, sc->sc_cur_chan->ic_ieee);
3006 		(void) mwl_chan_set(sc, sc->sc_cur_chan);
3007 		ni = ic->ic_bss;
3008 		(void) mwl_hal_newstation(sc, ic->ic_macaddr, 0, 0, NULL, 0, 0);
3009 		mwl_setanywepkey(ic, ni->in_macaddr);
3010 		break;
3011 	case IEEE80211_S_ASSOC:
3012 		break;
3013 	case IEEE80211_S_RUN:
3014 		ni = ic->ic_bss;
3015 		(void) mwl_hal_newstation(sc,
3016 		    ic->ic_macaddr, 0, 0, mkpeerinfo(&pi, ni), 0, 0);
3017 		mwl_setglobalkeys(ic);
3018 		(void) mwl_hal_setassocid(sc,
3019 		    ic->ic_bss->in_bssid, ic->ic_bss->in_associd);
3020 		(void) mwl_setrates(ic);
3021 		(void) mwl_hal_setrtsthreshold(sc, ic->ic_rtsthreshold);
3022 		(void) mwl_hal_setcsmode(sc, CSMODE_AUTO_ENA);
3023 		break;
3024 	default:
3025 		break;
3026 	}
3027 
3028 	MWL_GUNLOCK(sc);
3029 
3030 	return (sc->sc_newstate(ic, nstate, arg));
3031 }
3032 
3033 /*
3034  * Set the interrupt mask.
3035  */
3036 static void
3037 mwl_hal_intrset(struct mwl_softc *sc, uint32_t mask)
3038 {
3039 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, 0);
3040 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3041 
3042 	sc->sc_hal_imask = mask;
3043 	mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, mask);
3044 	(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3045 }
3046 
3047 /*
3048  * Return the current ISR setting and clear the cause.
3049  */
3050 static void
3051 mwl_hal_getisr(struct mwl_softc *sc, uint32_t *status)
3052 {
3053 	uint32_t cause;
3054 
3055 	cause = mwl_ctl_read4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE);
3056 	if (cause == 0xffffffff) {	/* card removed */
3057 		cause = 0;
3058 	} else if (cause != 0) {
3059 		/* clear cause bits */
3060 		mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE,
3061 		    cause & ~sc->sc_hal_imask);
3062 		(void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3063 		cause &= sc->sc_hal_imask;
3064 	}
3065 	*status = cause;
3066 }
3067 
3068 static void
3069 mwl_tx_intr(struct mwl_softc *sc)
3070 {
3071 	struct ieee80211com *ic = &sc->sc_ic;
3072 	struct mwl_tx_ring *ring;
3073 	struct mwl_txdesc *ds;
3074 
3075 	uint32_t status;
3076 
3077 	MWL_TXLOCK(sc);
3078 
3079 	ring = &sc->sc_txring[1];
3080 
3081 	if (!(ring->queued)) {
3082 		MWL_TXUNLOCK(sc);
3083 		return;
3084 	}
3085 
3086 	(void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
3087 	    0,
3088 	    ring->txdesc_dma.alength,
3089 	    DDI_DMA_SYNC_FORCPU);
3090 
3091 	for (;;) {
3092 		ds = &ring->desc[ring->next];
3093 
3094 		status = LE_32(ds->Status);
3095 
3096 		if (status & LE_32(EAGLE_TXD_STATUS_FW_OWNED)) {
3097 			break;
3098 		}
3099 
3100 		if (status == LE_32(EAGLE_TXD_STATUS_IDLE)) {
3101 			break;
3102 		}
3103 
3104 		MWL_DBG(MWL_DBG_TX, "mwl: mwl_tx_intr(): "
3105 		    "recv tx desc status %x, datarate %x, txpriority %x, "
3106 		    "QosCtrl %x, pktLen %x, SapPktInfo %x, Format %x, "
3107 		    "pad %x, ack_wcb_addr %x\n",
3108 		    ds->Status, ds->DataRate, ds->TxPriority,
3109 		    ds->QosCtrl, ds->PktLen, ds->SapPktInfo,
3110 		    ds->Format, ds->pad, ds->ack_wcb_addr);
3111 
3112 		/* descriptor is no longer valid */
3113 		ds->Status = LE_32(EAGLE_TXD_STATUS_IDLE);
3114 
3115 		(void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
3116 		    ring->next * sizeof (struct mwl_txdesc),
3117 		    sizeof (struct mwl_txdesc),
3118 		    DDI_DMA_SYNC_FORDEV);
3119 
3120 		ring->queued--;
3121 		ring->next = (ring->next + 1) % MWL_TX_RING_COUNT;
3122 		MWL_DBG(MWL_DBG_TX, "mwl: mwl_tx_intr(): "
3123 		    " tx done idx=%u, queued= %d\n",
3124 		    ring->next, ring->queued);
3125 
3126 		if (sc->sc_need_sched &&
3127 		    (ring->queued < MWL_TX_RING_COUNT)) {
3128 			sc->sc_need_sched = 0;
3129 			mac_tx_update(ic->ic_mach);
3130 		}
3131 
3132 	}
3133 
3134 	MWL_TXUNLOCK(sc);
3135 }
3136 
3137 /*
3138  * Convert hardware signal strength to rssi.  The value
3139  * provided by the device has the noise floor added in;
3140  * we need to compensate for this but we don't have that
3141  * so we use a fixed value.
3142  *
3143  * The offset of 8 is good for both 2.4 and 5GHz.  The LNA
3144  * offset is already set as part of the initial gain.  This
3145  * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz.
3146  */
3147 static int
3148 cvtrssi(uint8_t ssi)
3149 {
3150 	int rssi = (int)ssi + 8;
3151 	/* XXX hack guess until we have a real noise floor */
3152 	rssi = 2 * (87 - rssi);	/* NB: .5 dBm units */
3153 	return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi);
3154 }
3155 
3156 static void
3157 mwl_rx_intr(struct mwl_softc *sc)
3158 {
3159 	struct ieee80211com	*ic = &sc->sc_ic;
3160 	struct mwl_rx_ring *ring;
3161 	struct ieee80211_node	*ni;
3162 	struct ieee80211_frame *wh;
3163 
3164 	struct mwl_rxbuf *bf;
3165 	struct mwl_rxdesc *ds;
3166 	mblk_t	*mp0;
3167 
3168 	int ntodo, len, rssi;
3169 	uint8_t *data, status;
3170 
3171 	MWL_RXLOCK(sc);
3172 
3173 	ring = &sc->sc_rxring;
3174 	for (ntodo = MWL_RX_RING_COUNT; ntodo > 0; ntodo--) {
3175 		bf = &ring->buf[ring->cur];
3176 		ds = bf->bf_desc;
3177 		data = bf->bf_mem;
3178 
3179 		(void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
3180 		    ring->cur * sizeof (struct mwl_rxdesc),
3181 		    sizeof (struct mwl_rxdesc),
3182 		    DDI_DMA_SYNC_FORCPU);
3183 
3184 		if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN)
3185 			break;
3186 
3187 		status = ds->Status;
3188 		if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) {
3189 			MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_rx_intr(): "
3190 			    "rx decrypt error\n");
3191 			sc->sc_rx_err++;
3192 		}
3193 
3194 		/*
3195 		 * Sync the data buffer.
3196 		 */
3197 		len = LE_16(ds->PktLen);
3198 
3199 		(void) ddi_dma_sync(bf->rxbuf_dma.dma_hdl,
3200 		    0,
3201 		    bf->rxbuf_dma.alength,
3202 		    DDI_DMA_SYNC_FORCPU);
3203 
3204 		if (len < 32 || len > sc->sc_dmabuf_size) {
3205 			MWL_DBG(MWL_DBG_RX, "mwl: mwl_rx_intr(): "
3206 			    "packet len error %d\n", len);
3207 			sc->sc_rx_err++;
3208 			goto rxnext;
3209 		}
3210 
3211 		mp0 = allocb(sc->sc_dmabuf_size, BPRI_MED);
3212 		if (mp0 == NULL) {
3213 			MWL_DBG(MWL_DBG_RX, "mwl: mwl_rx_intr(): "
3214 			    "alloc mblk error\n");
3215 			sc->sc_rx_nobuf++;
3216 			goto rxnext;
3217 		}
3218 		bcopy(data+ 2, mp0->b_wptr, 24);
3219 		mp0->b_wptr += 24;
3220 		bcopy(data + 32, mp0->b_wptr, len - 32);
3221 		mp0->b_wptr += (len - 32);
3222 
3223 		wh = (struct ieee80211_frame *)mp0->b_rptr;
3224 		if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
3225 		    IEEE80211_FC0_TYPE_CTL) {
3226 			freemsg(mp0);
3227 			goto rxnext;
3228 		}
3229 
3230 		/*
3231 		 * The f/w strips WEP header but doesn't clear
3232 		 * the WEP bit; mark the packet with M_WEP so
3233 		 * net80211 will treat the data as decrypted.
3234 		 * While here also clear the PWR_MGT bit since
3235 		 * power save is handled by the firmware and
3236 		 * passing this up will potentially cause the
3237 		 * upper layer to put a station in power save
3238 		 * (except when configured with MWL_HOST_PS_SUPPORT).
3239 		 */
3240 #ifdef MWL_HOST_PS_SUPPORT
3241 		wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3242 #else
3243 		wh->i_fc[1] &= ~(IEEE80211_FC1_WEP | IEEE80211_FC1_PWR_MGT);
3244 #endif
3245 
3246 		/* calculate rssi early so we can re-use for each aggregate */
3247 		rssi = cvtrssi(ds->RSSI);
3248 
3249 		ni = ieee80211_find_rxnode(ic, wh);
3250 
3251 		/* send the frame to the 802.11 layer */
3252 		(void) ieee80211_input(ic, mp0, ni, rssi, 0);
3253 		ieee80211_free_node(ni);
3254 rxnext:
3255 		/*
3256 		 * Setup descriptor.
3257 		 */
3258 		ds->QosCtrl = 0;
3259 		ds->RSSI = 0;
3260 		ds->Status = EAGLE_RXD_STATUS_IDLE;
3261 		ds->Channel = 0;
3262 		ds->PktLen = LE_16(MWL_AGGR_SIZE);
3263 		ds->SQ2 = 0;
3264 		ds->pPhysBuffData = bf->bf_baddr;
3265 		/* NB: don't touch pPhysNext, set once */
3266 		ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
3267 
3268 		(void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
3269 		    ring->cur * sizeof (struct mwl_rxdesc),
3270 		    sizeof (struct mwl_rxdesc),
3271 		    DDI_DMA_SYNC_FORDEV);
3272 
3273 		/* NB: ignore ENOMEM so we process more descriptors */
3274 		ring->cur = (ring->cur + 1) % MWL_RX_RING_COUNT;
3275 	}
3276 
3277 	MWL_RXUNLOCK(sc);
3278 }
3279 
3280 /*ARGSUSED*/
3281 static uint_t
3282 mwl_softintr(caddr_t data, caddr_t unused)
3283 {
3284 	struct mwl_softc *sc = (struct mwl_softc *)data;
3285 
3286 	/*
3287 	 * Check if the soft interrupt is triggered by another
3288 	 * driver at the same level.
3289 	 */
3290 	MWL_GLOCK(sc);
3291 	if (sc->sc_rx_pend) {
3292 		sc->sc_rx_pend = 0;
3293 		MWL_GUNLOCK(sc);
3294 		mwl_rx_intr(sc);
3295 		return (DDI_INTR_CLAIMED);
3296 	}
3297 	MWL_GUNLOCK(sc);
3298 
3299 	return (DDI_INTR_UNCLAIMED);
3300 }
3301 
3302 /*ARGSUSED*/
3303 static uint_t
3304 mwl_intr(caddr_t arg, caddr_t unused)
3305 {
3306 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3307 	uint32_t status;
3308 
3309 	MWL_GLOCK(sc);
3310 
3311 	if (!MWL_IS_RUNNING(sc) || MWL_IS_SUSPEND(sc)) {
3312 		MWL_GUNLOCK(sc);
3313 		return (DDI_INTR_UNCLAIMED);
3314 	}
3315 
3316 	/*
3317 	 * Figure out the reason(s) for the interrupt.
3318 	 */
3319 	mwl_hal_getisr(sc, &status);		/* NB: clears ISR too */
3320 	if (status == 0) {
3321 		MWL_GUNLOCK(sc);
3322 		return (DDI_INTR_UNCLAIMED);
3323 	}
3324 
3325 	if (status & MACREG_A2HRIC_BIT_RX_RDY) {
3326 		sc->sc_rx_pend = 1;
3327 		(void) ddi_intr_trigger_softint(sc->sc_softintr_hdl, NULL);
3328 	}
3329 	if (status & MACREG_A2HRIC_BIT_TX_DONE) {
3330 		mwl_tx_intr(sc);
3331 	}
3332 	if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG) {
3333 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3334 		    "ba watchdog\n");
3335 	}
3336 	if (status & MACREG_A2HRIC_BIT_OPC_DONE) {
3337 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3338 		    "opc done\n");
3339 	}
3340 	if (status & MACREG_A2HRIC_BIT_MAC_EVENT) {
3341 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3342 		    "mac event\n");
3343 	}
3344 	if (status & MACREG_A2HRIC_BIT_ICV_ERROR) {
3345 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3346 		    "ICV error\n");
3347 	}
3348 	if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) {
3349 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3350 		    "queue empty\n");
3351 	}
3352 	if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) {
3353 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3354 		    "queue full\n");
3355 	}
3356 	if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
3357 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3358 		    "radar detect\n");
3359 	}
3360 	if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) {
3361 		MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3362 		    "chan switch\n");
3363 	}
3364 
3365 	MWL_GUNLOCK(sc);
3366 
3367 	return (DDI_INTR_CLAIMED);
3368 }
3369 
3370 static int
3371 mwl_init(struct mwl_softc *sc)
3372 {
3373 	struct ieee80211com *ic = &sc->sc_ic;
3374 	int err = 0;
3375 
3376 	mwl_hal_intrset(sc, 0);
3377 
3378 	sc->sc_txantenna = 0;		/* h/w default */
3379 	sc->sc_rxantenna = 0;		/* h/w default */
3380 
3381 	err = mwl_hal_setantenna(sc, WL_ANTENNATYPE_RX, sc->sc_rxantenna);
3382 	if (err != 0) {
3383 		MWL_DBG(MWL_DBG_HW, "mwl: mwl_init(): "
3384 		    "could not set rx antenna\n");
3385 		goto fail;
3386 	}
3387 
3388 	err = mwl_hal_setantenna(sc, WL_ANTENNATYPE_TX, sc->sc_txantenna);
3389 	if (err != 0) {
3390 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3391 		    "could not set tx antenna\n");
3392 		goto fail;
3393 	}
3394 
3395 	err = mwl_hal_setradio(sc, 1, WL_AUTO_PREAMBLE);
3396 	if (err != 0) {
3397 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3398 		    "could not set radio\n");
3399 		goto fail;
3400 	}
3401 
3402 	err = mwl_hal_setwmm(sc, (ic->ic_flags & IEEE80211_F_WME) != 0);
3403 	if (err != 0) {
3404 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3405 		    "could not set wme\n");
3406 		goto fail;
3407 	}
3408 
3409 	/* select default channel */
3410 	ic->ic_ibss_chan = &ic->ic_sup_channels[0];
3411 	ic->ic_curchan = ic->ic_ibss_chan;
3412 	sc->sc_cur_chan = &sc->sc_channels[1];
3413 
3414 	err = mwl_chan_set(sc, sc->sc_cur_chan);
3415 	if (err != 0) {
3416 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3417 		    "could not set wme\n");
3418 		goto fail;
3419 	}
3420 
3421 	err = mwl_hal_setrateadaptmode(sc, 0);
3422 	if (err != 0) {
3423 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3424 		    "could not set rate adapt mode\n");
3425 		goto fail;
3426 	}
3427 
3428 	err = mwl_hal_setoptimizationlevel(sc,
3429 	    (ic->ic_flags & IEEE80211_F_BURST) != 0);
3430 	if (err != 0) {
3431 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3432 		    "could not set optimization level\n");
3433 		goto fail;
3434 	}
3435 
3436 	err = mwl_hal_setregioncode(sc, mwl_map2regioncode(&sc->sc_regdomain));
3437 	if (err != 0) {
3438 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3439 		    "could not set regioncode\n");
3440 		goto fail;
3441 	}
3442 
3443 	err = mwl_startrecv(sc);
3444 	if (err != 0) {
3445 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3446 		    "could not set start recv logic\n");
3447 		goto fail;
3448 	}
3449 
3450 	/*
3451 	 * Enable interrupts.
3452 	 */
3453 	sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY
3454 	    | MACREG_A2HRIC_BIT_TX_DONE
3455 	    | MACREG_A2HRIC_BIT_OPC_DONE
3456 	    | MACREG_A2HRIC_BIT_ICV_ERROR
3457 	    | MACREG_A2HRIC_BIT_RADAR_DETECT
3458 	    | MACREG_A2HRIC_BIT_CHAN_SWITCH
3459 	    | MACREG_A2HRIC_BIT_BA_WATCHDOG
3460 	    | MACREQ_A2HRIC_BIT_TX_ACK;
3461 
3462 	mwl_hal_intrset(sc, sc->sc_imask);
3463 
3464 	err = mwl_hal_start(sc);
3465 	if (err != 0) {
3466 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3467 		    "could not get hal start\n");
3468 		goto fail;
3469 	}
3470 
3471 	err = mwl_hal_setinframode(sc);
3472 	if (err != 0) {
3473 		MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3474 		    "could not set infra mode\n");
3475 		goto fail;
3476 	}
3477 
3478 fail:
3479 	return (err);
3480 }
3481 
3482 static int
3483 mwl_resume(struct mwl_softc *sc)
3484 {
3485 	int qid, err = 0;
3486 
3487 	err = mwl_fwload(sc, NULL);
3488 	if (err != 0) {
3489 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3490 		    "failed to load fw\n");
3491 		goto fail;
3492 	}
3493 
3494 	err = mwl_gethwspecs(sc);
3495 	if (err != 0) {
3496 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3497 		    "failed to get hw spec\n");
3498 		goto fail;
3499 	}
3500 
3501 	err = mwl_alloc_rx_ring(sc, MWL_RX_RING_COUNT);
3502 	if (err != 0) {
3503 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3504 		    "could not alloc cmd dma buffer\n");
3505 		goto fail;
3506 	}
3507 
3508 	for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++) {
3509 		err = mwl_alloc_tx_ring(sc,
3510 		    &sc->sc_txring[qid], MWL_TX_RING_COUNT);
3511 		if (err != 0) {
3512 			MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3513 			    "could not alloc tx ring %d\n", qid);
3514 			goto fail;
3515 		}
3516 	}
3517 
3518 	err = mwl_setupdma(sc);
3519 	if (err != 0) {
3520 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3521 		    "could not setup dma\n");
3522 		goto fail;
3523 	}
3524 
3525 	err = mwl_setup_txq(sc);
3526 	if (err != 0) {
3527 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3528 		    "could not setup txq\n");
3529 		goto fail;
3530 	}
3531 
3532 fail:
3533 	return (err);
3534 }
3535 
3536 static void
3537 mwl_stop(struct mwl_softc *sc)
3538 {
3539 	int err;
3540 
3541 	/* by pass if it's quiesced */
3542 	if (!MWL_IS_QUIESCE(sc))
3543 		MWL_GLOCK(sc);
3544 
3545 	err = mwl_hal_stop(sc);
3546 	if (err != 0) {
3547 		MWL_DBG(MWL_DBG_HW, "mwl: mwl_stop(): "
3548 		    "could not stop hw\n");
3549 	}
3550 
3551 	/* by pass if it's quiesced */
3552 	if (!MWL_IS_QUIESCE(sc))
3553 		MWL_GUNLOCK(sc);
3554 }
3555 
3556 static int
3557 mwl_m_stat(void *arg, uint_t stat, uint64_t *val)
3558 {
3559 	struct mwl_softc *sc  = (struct mwl_softc *)arg;
3560 	struct ieee80211com *ic = &sc->sc_ic;
3561 	struct ieee80211_node *ni = NULL;
3562 	struct ieee80211_rateset *rs = NULL;
3563 
3564 	MWL_GLOCK(sc);
3565 	switch (stat) {
3566 	case MAC_STAT_IFSPEED:
3567 		ni = ic->ic_bss;
3568 		rs = &ni->in_rates;
3569 		*val = ((ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) ?
3570 		    (rs->ir_rates[ni->in_txrate] & IEEE80211_RATE_VAL)
3571 		    : ic->ic_fixed_rate) / 2 * 1000000;
3572 		break;
3573 	case MAC_STAT_NOXMTBUF:
3574 		*val = sc->sc_tx_nobuf;
3575 		break;
3576 	case MAC_STAT_NORCVBUF:
3577 		*val = sc->sc_rx_nobuf;
3578 		break;
3579 	case MAC_STAT_IERRORS:
3580 		*val = sc->sc_rx_err;
3581 		break;
3582 	case MAC_STAT_RBYTES:
3583 		*val = ic->ic_stats.is_rx_bytes;
3584 		break;
3585 	case MAC_STAT_IPACKETS:
3586 		*val = ic->ic_stats.is_rx_frags;
3587 		break;
3588 	case MAC_STAT_OBYTES:
3589 		*val = ic->ic_stats.is_tx_bytes;
3590 		break;
3591 	case MAC_STAT_OPACKETS:
3592 		*val = ic->ic_stats.is_tx_frags;
3593 		break;
3594 	case MAC_STAT_OERRORS:
3595 	case WIFI_STAT_TX_FAILED:
3596 		*val = sc->sc_tx_err;
3597 		break;
3598 	case WIFI_STAT_TX_RETRANS:
3599 		*val = sc->sc_tx_retries;
3600 		break;
3601 	case WIFI_STAT_FCS_ERRORS:
3602 	case WIFI_STAT_WEP_ERRORS:
3603 	case WIFI_STAT_TX_FRAGS:
3604 	case WIFI_STAT_MCAST_TX:
3605 	case WIFI_STAT_RTS_SUCCESS:
3606 	case WIFI_STAT_RTS_FAILURE:
3607 	case WIFI_STAT_ACK_FAILURE:
3608 	case WIFI_STAT_RX_FRAGS:
3609 	case WIFI_STAT_MCAST_RX:
3610 	case WIFI_STAT_RX_DUPS:
3611 		MWL_GUNLOCK(sc);
3612 		return (ieee80211_stat(ic, stat, val));
3613 	default:
3614 		MWL_GUNLOCK(sc);
3615 		return (ENOTSUP);
3616 	}
3617 
3618 	MWL_GUNLOCK(sc);
3619 	return (0);
3620 }
3621 
3622 static int
3623 mwl_m_start(void *arg)
3624 {
3625 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3626 	struct ieee80211com *ic = &sc->sc_ic;
3627 	int err;
3628 
3629 	err = mwl_init(sc);
3630 	if (err != DDI_SUCCESS) {
3631 		MWL_DBG(MWL_DBG_HW, "mwl: mwl_m_start():"
3632 		    "Hardware initialization failed\n");
3633 		goto fail1;
3634 	}
3635 
3636 	ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
3637 
3638 	MWL_GLOCK(sc);
3639 	sc->sc_flags |= MWL_F_RUNNING;
3640 	MWL_GUNLOCK(sc);
3641 
3642 	return (0);
3643 fail1:
3644 	mwl_stop(sc);
3645 	return (err);
3646 }
3647 
3648 static void
3649 mwl_m_stop(void *arg)
3650 {
3651 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3652 
3653 	mwl_stop(sc);
3654 
3655 	ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3656 
3657 	MWL_GLOCK(sc);
3658 	sc->sc_flags &= ~MWL_F_RUNNING;
3659 	MWL_GUNLOCK(sc);
3660 }
3661 
3662 /*ARGSUSED*/
3663 static int
3664 mwl_m_promisc(void *arg, boolean_t on)
3665 {
3666 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3667 	int err;
3668 
3669 	err = mwl_hal_setpromisc(sc, on);
3670 
3671 	return (err);
3672 }
3673 
3674 /*ARGSUSED*/
3675 static int
3676 mwl_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3677 {
3678 	return (ENOTSUP);
3679 }
3680 
3681 /*ARGSUSED*/
3682 static int
3683 mwl_m_unicst(void *arg, const uint8_t *macaddr)
3684 {
3685 	return (ENOTSUP);
3686 }
3687 
3688 static mblk_t *
3689 mwl_m_tx(void *arg, mblk_t *mp)
3690 {
3691 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3692 	struct ieee80211com *ic = &sc->sc_ic;
3693 	mblk_t *next;
3694 
3695 	if (MWL_IS_SUSPEND(sc)) {
3696 		freemsgchain(mp);
3697 		return (NULL);
3698 	}
3699 
3700 	/*
3701 	 * No data frames go out unless we're associated; this
3702 	 * should not happen as the 802.11 layer does not enable
3703 	 * the xmit queue until we enter the RUN state.
3704 	 */
3705 	if (ic->ic_state != IEEE80211_S_RUN) {
3706 		MWL_DBG(MWL_DBG_TX, "mwl: mwl_m_tx(): "
3707 		    "discard, state %u\n", ic->ic_state);
3708 		freemsgchain(mp);
3709 		return (NULL);
3710 	}
3711 
3712 	while (mp != NULL) {
3713 		next = mp->b_next;
3714 		mp->b_next = NULL;
3715 		if (mwl_send(ic, mp, IEEE80211_FC0_TYPE_DATA) !=
3716 		    DDI_SUCCESS) {
3717 			mp->b_next = next;
3718 			break;
3719 		}
3720 		mp = next;
3721 	}
3722 	return (mp);
3723 }
3724 
3725 static void
3726 mwl_m_ioctl(void* arg, queue_t *wq, mblk_t *mp)
3727 {
3728 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3729 	struct ieee80211com *ic = &sc->sc_ic;
3730 	int err;
3731 
3732 	err = ieee80211_ioctl(ic, wq, mp);
3733 	if (err == ENETRESET) {
3734 		if (ic->ic_des_esslen) {
3735 			if (MWL_IS_RUNNING(sc)) {
3736 				(void) mwl_init(sc);
3737 				(void) ieee80211_new_state(ic,
3738 				    IEEE80211_S_SCAN, -1);
3739 			}
3740 		}
3741 	}
3742 }
3743 
3744 /*
3745  * Call back function for get/set proporty
3746  */
3747 static int
3748 mwl_m_getprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3749     uint_t pr_flags, uint_t wldp_length, void *wldp_buf, uint_t *perm)
3750 {
3751 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3752 	int err = 0;
3753 
3754 	err = ieee80211_getprop(&sc->sc_ic, pr_name, wldp_pr_num,
3755 	    pr_flags, wldp_length, wldp_buf, perm);
3756 
3757 	return (err);
3758 }
3759 
3760 static int
3761 mwl_m_setprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3762     uint_t wldp_length, const void *wldp_buf)
3763 {
3764 	struct mwl_softc *sc = (struct mwl_softc *)arg;
3765 	ieee80211com_t *ic = &sc->sc_ic;
3766 	int err;
3767 
3768 	err = ieee80211_setprop(ic, pr_name, wldp_pr_num, wldp_length,
3769 	    wldp_buf);
3770 	if (err == ENETRESET) {
3771 		if (ic->ic_des_esslen) {
3772 			if (MWL_IS_RUNNING(sc)) {
3773 				(void) mwl_init(sc);
3774 				(void) ieee80211_new_state(ic,
3775 				    IEEE80211_S_SCAN, -1);
3776 			}
3777 		}
3778 		err = 0;
3779 	}
3780 	return (err);
3781 }
3782 
3783 static int
3784 mwl_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd)
3785 {
3786 	struct mwl_softc *sc;
3787 	struct ieee80211com *ic;
3788 	int i, err, qid, instance;
3789 	int intr_type, intr_count, intr_actual;
3790 	char strbuf[32];
3791 	uint8_t csz;
3792 	uint16_t vendor_id, device_id, command;
3793 
3794 	wifi_data_t wd = { 0 };
3795 	mac_register_t *macp;
3796 
3797 	switch (cmd) {
3798 	case DDI_ATTACH:
3799 		break;
3800 	case DDI_RESUME:
3801 		sc = ddi_get_soft_state(mwl_soft_state_p,
3802 		    ddi_get_instance(devinfo));
3803 		ASSERT(sc != NULL);
3804 		MWL_GLOCK(sc);
3805 		sc->sc_flags &= ~MWL_F_SUSPEND;
3806 		MWL_GUNLOCK(sc);
3807 		if (mwl_resume(sc) != 0) {
3808 			MWL_DBG(MWL_DBG_SR, "mwl: mwl_attach(): "
3809 			    "failed to resume\n");
3810 			return (DDI_FAILURE);
3811 		}
3812 		if (MWL_IS_RUNNING(sc)) {
3813 			(void) mwl_init(sc);
3814 			ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3815 		}
3816 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_attach(): "
3817 		    "resume now\n");
3818 		return (DDI_SUCCESS);
3819 	default:
3820 		return (DDI_FAILURE);
3821 	}
3822 
3823 	instance = ddi_get_instance(devinfo);
3824 	if (ddi_soft_state_zalloc(mwl_soft_state_p,
3825 	    ddi_get_instance(devinfo)) != DDI_SUCCESS) {
3826 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3827 		    "Unable to alloc soft state\n");
3828 		return (DDI_FAILURE);
3829 	}
3830 
3831 	sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(devinfo));
3832 	ic = &sc->sc_ic;
3833 	sc->sc_dev = devinfo;
3834 
3835 	/* PCI configuration space */
3836 	err = ddi_regs_map_setup(devinfo, 0, (caddr_t *)&sc->sc_cfg_base, 0, 0,
3837 	    &mwl_reg_accattr, &sc->sc_cfg_handle);
3838 	if (err != DDI_SUCCESS) {
3839 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3840 		    "ddi_regs_map_setup() failed");
3841 		goto attach_fail0;
3842 	}
3843 	csz = ddi_get8(sc->sc_cfg_handle,
3844 	    (uint8_t *)(sc->sc_cfg_base + PCI_CONF_CACHE_LINESZ));
3845 	if (!csz)
3846 		csz = 16;
3847 	sc->sc_cachelsz = csz << 2;
3848 	sc->sc_dmabuf_size = roundup(IEEE80211_MAX_LEN, sc->sc_cachelsz);
3849 	vendor_id = ddi_get16(sc->sc_cfg_handle,
3850 	    (uint16_t *)(sc->sc_cfg_base + PCI_CONF_VENID));
3851 	device_id = ddi_get16(sc->sc_cfg_handle,
3852 	    (uint16_t *)(sc->sc_cfg_base + PCI_CONF_DEVID));
3853 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3854 	    "vendor 0x%x, device id 0x%x, cache size %d\n",
3855 	    vendor_id, device_id, csz);
3856 
3857 	/*
3858 	 * Enable response to memory space accesses,
3859 	 * and enabe bus master.
3860 	 */
3861 	command = PCI_COMM_MAE | PCI_COMM_ME;
3862 	ddi_put16(sc->sc_cfg_handle,
3863 	    (uint16_t *)((uintptr_t)(sc->sc_cfg_base) + PCI_CONF_COMM),
3864 	    command);
3865 	ddi_put8(sc->sc_cfg_handle,
3866 	    (uint8_t *)(sc->sc_cfg_base + PCI_CONF_LATENCY_TIMER), 0xa8);
3867 	ddi_put8(sc->sc_cfg_handle,
3868 	    (uint8_t *)(sc->sc_cfg_base + PCI_CONF_ILINE), 0x10);
3869 
3870 	/* BAR0 */
3871 	err = ddi_regs_map_setup(devinfo, 1,
3872 	    &sc->sc_mem_base, 0, 0, &mwl_reg_accattr, &sc->sc_mem_handle);
3873 	if (err != DDI_SUCCESS) {
3874 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3875 		    "i/o space failed");
3876 		goto attach_fail1;
3877 	}
3878 
3879 	/* BAR1 */
3880 	err = ddi_regs_map_setup(devinfo, 2,
3881 	    &sc->sc_io_base, 0, 0, &mwl_reg_accattr, &sc->sc_io_handle);
3882 	if (err != DDI_SUCCESS) {
3883 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3884 		    "memory space failed");
3885 		goto attach_fail2;
3886 	}
3887 
3888 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3889 	    "PCI configuration is done successfully\n");
3890 
3891 	/*
3892 	 * Alloc cmd DMA buffer for firmware download
3893 	 */
3894 	err = mwl_alloc_cmdbuf(sc);
3895 	if (err != 0) {
3896 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3897 		    "could not alloc cmd dma buffer\n");
3898 		goto attach_fail3;
3899 	}
3900 
3901 	sc->sc_imask = 0;
3902 	sc->sc_hw_flags = 0;
3903 	sc->sc_flags = 0;
3904 
3905 	/*
3906 	 * Some cards have SDRAM.  When loading firmware we need
3907 	 * to reset the SDRAM controller prior to doing this.
3908 	 * When the SDRAMSIZE is non-zero we do that work in
3909 	 * mwl_hal_fwload.
3910 	 */
3911 	switch (device_id) {
3912 	case 0x2a02:		/* CB82 */
3913 	case 0x2a03:		/* CB85 */
3914 	case 0x2a08:		/* MC85_B1 */
3915 	case 0x2a0b:		/* CB85AP */
3916 	case 0x2a24:
3917 		sc->sc_SDRAMSIZE_Addr = 0x40fe70b7;	/* 8M SDRAM */
3918 		break;
3919 	case 0x2a04:		/* MC85 */
3920 		sc->sc_SDRAMSIZE_Addr = 0x40fc70b7;	/* 16M SDRAM */
3921 		break;
3922 	default:
3923 		break;
3924 	}
3925 
3926 	err = mwl_fwload(sc, NULL);
3927 	if (err != 0) {
3928 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3929 		    "firmware download failed\n");
3930 		goto attach_fail4;
3931 	}
3932 
3933 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3934 	    "firmware download successfully\n");
3935 
3936 	err = mwl_gethwspecs(sc);
3937 	if (err != 0) {
3938 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3939 		    "failed to get hw spec\n");
3940 		goto attach_fail4;
3941 	}
3942 
3943 	err = mwl_getchannels(sc);
3944 	if (err != 0) {
3945 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3946 		    "failed to get channels\n");
3947 		goto attach_fail4;
3948 	}
3949 
3950 	/*
3951 	 * Alloc rx DMA buffer
3952 	 */
3953 	err = mwl_alloc_rx_ring(sc, MWL_RX_RING_COUNT);
3954 	if (err != 0) {
3955 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3956 		    "could not alloc cmd dma buffer\n");
3957 		goto attach_fail5;
3958 	}
3959 
3960 	/*
3961 	 * Alloc rx DMA buffer
3962 	 */
3963 	for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++) {
3964 		err = mwl_alloc_tx_ring(sc,
3965 		    &sc->sc_txring[qid], MWL_TX_RING_COUNT);
3966 		if (err != 0) {
3967 			MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3968 			    "could not alloc tx ring %d\n", qid);
3969 			goto attach_fail6;
3970 		}
3971 	}
3972 
3973 	err = mwl_setupdma(sc);
3974 	if (err != 0) {
3975 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3976 		    "could not setup dma\n");
3977 		goto attach_fail6;
3978 	}
3979 
3980 	err = mwl_setup_txq(sc);
3981 	if (err != 0) {
3982 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3983 		    "could not setup txq\n");
3984 		goto attach_fail6;
3985 	}
3986 
3987 	IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->sc_hwspecs.macAddr);
3988 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3989 	    "mwl MAC:%2x:%2x:%2x:%2x:%2x:%2x\n",
3990 	    ic->ic_macaddr[0],
3991 	    ic->ic_macaddr[1],
3992 	    ic->ic_macaddr[2],
3993 	    ic->ic_macaddr[3],
3994 	    ic->ic_macaddr[4],
3995 	    ic->ic_macaddr[5]);
3996 
3997 	err = mwl_hal_setmac_locked(sc, ic->ic_macaddr);
3998 	if (err != 0) {			/* NB: mwl_setupdma prints msg */
3999 		MWL_DBG(MWL_DBG_ATTACH, "mwl: attach(): "
4000 		    "could not set mac\n");
4001 		goto attach_fail6;
4002 	}
4003 
4004 	mutex_init(&sc->sc_glock, NULL, MUTEX_DRIVER, NULL);
4005 	mutex_init(&sc->sc_rxlock, NULL, MUTEX_DRIVER, NULL);
4006 	mutex_init(&sc->sc_txlock, NULL, MUTEX_DRIVER, NULL);
4007 
4008 
4009 	/* set supported rates */
4010 	ic->ic_sup_rates[IEEE80211_MODE_11B] = mwl_rateset_11b;
4011 	ic->ic_sup_rates[IEEE80211_MODE_11G] = mwl_rateset_11g;
4012 
4013 	/* set supported .11b and .11g channels (1 through 14) */
4014 	for (i = 1; i <= 14; i++) {
4015 		ic->ic_sup_channels[i].ich_freq =
4016 		    ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
4017 		ic->ic_sup_channels[i].ich_flags =
4018 		    IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
4019 	}
4020 
4021 	ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
4022 	ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
4023 	ic->ic_state = IEEE80211_S_INIT;
4024 
4025 	/* set device capabilities */
4026 	ic->ic_caps =
4027 	    IEEE80211_C_TXPMGT |	/* tx power management */
4028 	    IEEE80211_C_SHPREAMBLE |	/* short preamble supported */
4029 	    IEEE80211_C_SHSLOT;		/* short slot time supported */
4030 
4031 	/* WPA/WPA2 support */
4032 	ic->ic_caps |= IEEE80211_C_WPA; /* Support WPA/WPA2 */
4033 
4034 	/* Enable hardware encryption */
4035 	ic->ic_caps |= IEEE80211_C_WEP | IEEE80211_C_TKIP | IEEE80211_C_AES_CCM;
4036 
4037 	ic->ic_xmit = mwl_send;
4038 
4039 	ieee80211_attach(ic);
4040 
4041 	/* register WPA door */
4042 	ieee80211_register_door(ic, ddi_driver_name(devinfo),
4043 	    ddi_get_instance(devinfo));
4044 
4045 	/* override state transition machine */
4046 	sc->sc_newstate = ic->ic_newstate;
4047 	ic->ic_newstate = mwl_newstate;
4048 	ic->ic_node_alloc = mwl_node_alloc;
4049 	ic->ic_node_free = mwl_node_free;
4050 	ic->ic_crypto.cs_max_keyix = 0;
4051 	ic->ic_crypto.cs_key_alloc = mwl_key_alloc;
4052 	ic->ic_crypto.cs_key_delete = mwl_key_delete;
4053 	ic->ic_crypto.cs_key_set = mwl_key_set;
4054 
4055 	ieee80211_media_init(ic);
4056 
4057 	ic->ic_def_txkey = 0;
4058 
4059 	err = mwl_hal_newstation(sc, ic->ic_macaddr, 0, 0, NULL, 0, 0);
4060 	if (err != 0) {
4061 		MWL_DBG(MWL_DBG_ATTACH, "mwl: attach(): "
4062 		    "could not create new station\n");
4063 		goto attach_fail7;
4064 	}
4065 
4066 	IEEE80211_ADDR_COPY(ic->ic_bss->in_bssid, ic->ic_macaddr);
4067 	// mwl_setglobalkeys(ic);
4068 
4069 	err = ddi_intr_get_supported_types(devinfo, &intr_type);
4070 	if ((err != DDI_SUCCESS) || (!(intr_type & DDI_INTR_TYPE_FIXED))) {
4071 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4072 		    "fixed type interrupt is not supported\n");
4073 		goto attach_fail7;
4074 	}
4075 
4076 	err = ddi_intr_get_nintrs(devinfo, DDI_INTR_TYPE_FIXED, &intr_count);
4077 	if ((err != DDI_SUCCESS) || (intr_count != 1)) {
4078 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4079 		    "no fixed interrupts\n");
4080 		goto attach_fail7;
4081 	}
4082 
4083 	sc->sc_intr_htable = kmem_zalloc(sizeof (ddi_intr_handle_t), KM_SLEEP);
4084 
4085 	err = ddi_intr_alloc(devinfo, sc->sc_intr_htable,
4086 	    DDI_INTR_TYPE_FIXED, 0, intr_count, &intr_actual, 0);
4087 	if ((err != DDI_SUCCESS) || (intr_actual != 1)) {
4088 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4089 		    "ddi_intr_alloc() failed 0x%x\n", err);
4090 		goto attach_fail8;
4091 	}
4092 
4093 	err = ddi_intr_get_pri(sc->sc_intr_htable[0], &sc->sc_intr_pri);
4094 	if (err != DDI_SUCCESS) {
4095 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4096 		    "ddi_intr_get_pri() failed 0x%x\n", err);
4097 		goto attach_fail9;
4098 	}
4099 
4100 	err = ddi_intr_add_softint(devinfo, &sc->sc_softintr_hdl,
4101 	    DDI_INTR_SOFTPRI_MAX, mwl_softintr, (caddr_t)sc);
4102 	if (err != DDI_SUCCESS) {
4103 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4104 		    "ddi_add_softintr() failed");
4105 		goto attach_fail9;
4106 	}
4107 
4108 	err = ddi_intr_add_handler(sc->sc_intr_htable[0], mwl_intr,
4109 	    (caddr_t)sc, NULL);
4110 	if (err != DDI_SUCCESS) {
4111 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4112 		    "ddi_intr_addr_handle() failed\n");
4113 		goto attach_fail10;
4114 	}
4115 
4116 	err = ddi_intr_enable(sc->sc_intr_htable[0]);
4117 	if (err != DDI_SUCCESS) {
4118 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4119 		    "ddi_intr_enable() failed\n");
4120 		goto attach_fail11;
4121 	}
4122 
4123 	/*
4124 	 * Provide initial settings for the WiFi plugin; whenever this
4125 	 * information changes, we need to call mac_plugindata_update()
4126 	 */
4127 	wd.wd_opmode = ic->ic_opmode;
4128 	wd.wd_secalloc = WIFI_SEC_NONE;
4129 	IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_bss->in_bssid);
4130 
4131 	if ((macp = mac_alloc(MAC_VERSION)) == NULL) {
4132 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4133 		    "MAC version mismatch\n");
4134 		goto attach_fail12;
4135 	}
4136 
4137 	macp->m_type_ident	= MAC_PLUGIN_IDENT_WIFI;
4138 	macp->m_driver		= sc;
4139 	macp->m_dip		= devinfo;
4140 	macp->m_src_addr	= ic->ic_macaddr;
4141 	macp->m_callbacks	= &mwl_m_callbacks;
4142 	macp->m_min_sdu		= 0;
4143 	macp->m_max_sdu		= IEEE80211_MTU;
4144 	macp->m_pdata		= &wd;
4145 	macp->m_pdata_size	= sizeof (wd);
4146 
4147 	err = mac_register(macp, &ic->ic_mach);
4148 	mac_free(macp);
4149 	if (err != 0) {
4150 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4151 		    "mac_register err %x\n", err);
4152 		goto attach_fail12;
4153 	}
4154 
4155 	/*
4156 	 * Create minor node of type DDI_NT_NET_WIFI
4157 	 */
4158 	(void) snprintf(strbuf, sizeof (strbuf), "%s%d",
4159 	    "mwl", instance);
4160 	err = ddi_create_minor_node(devinfo, strbuf, S_IFCHR,
4161 	    instance + 1, DDI_NT_NET_WIFI, 0);
4162 	if (err != 0) {
4163 		MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4164 		    "create minor node error\n");
4165 		goto attach_fail13;
4166 	}
4167 
4168 	/*
4169 	 * Notify link is down now
4170 	 */
4171 	mac_link_update(ic->ic_mach, LINK_STATE_DOWN);
4172 
4173 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4174 	    "driver attach successfully\n");
4175 	return (DDI_SUCCESS);
4176 
4177 attach_fail13:
4178 	(void) mac_disable(ic->ic_mach);
4179 	(void) mac_unregister(ic->ic_mach);
4180 attach_fail12:
4181 	(void) ddi_intr_disable(sc->sc_intr_htable[0]);
4182 attach_fail11:
4183 	(void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
4184 attach_fail10:
4185 	(void) ddi_intr_remove_softint(sc->sc_softintr_hdl);
4186 	sc->sc_softintr_hdl = NULL;
4187 attach_fail9:
4188 	(void) ddi_intr_free(sc->sc_intr_htable[0]);
4189 attach_fail8:
4190 	kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
4191 attach_fail7:
4192 	mutex_destroy(&sc->sc_txlock);
4193 	mutex_destroy(&sc->sc_rxlock);
4194 	mutex_destroy(&sc->sc_glock);
4195 attach_fail6:
4196 	while (--qid >= 0)
4197 		mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4198 attach_fail5:
4199 	mwl_free_rx_ring(sc);
4200 attach_fail4:
4201 	mwl_free_cmdbuf(sc);
4202 attach_fail3:
4203 	ddi_regs_map_free(&sc->sc_mem_handle);
4204 attach_fail2:
4205 	ddi_regs_map_free(&sc->sc_io_handle);
4206 attach_fail1:
4207 	ddi_regs_map_free(&sc->sc_cfg_handle);
4208 attach_fail0:
4209 	ddi_soft_state_free(mwl_soft_state_p, ddi_get_instance(devinfo));
4210 	return (DDI_FAILURE);
4211 }
4212 
4213 static int32_t
4214 mwl_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd)
4215 {
4216 	struct mwl_softc *sc;
4217 	int qid;
4218 
4219 	sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(devinfo));
4220 	ASSERT(sc != NULL);
4221 
4222 	switch (cmd) {
4223 	case DDI_DETACH:
4224 		break;
4225 	case DDI_SUSPEND:
4226 		if (MWL_IS_RUNNING(sc))
4227 			mwl_stop(sc);
4228 		for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++)
4229 			mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4230 		mwl_free_rx_ring(sc);
4231 		MWL_GLOCK(sc);
4232 		sc->sc_flags |= MWL_F_SUSPEND;
4233 		MWL_GUNLOCK(sc);
4234 		MWL_DBG(MWL_DBG_SR, "mwl: mwl_detach(): "
4235 		    "suspend now\n");
4236 		return (DDI_SUCCESS);
4237 	default:
4238 		return (DDI_FAILURE);
4239 	}
4240 
4241 	if (mac_disable(sc->sc_ic.ic_mach) != 0)
4242 		return (DDI_FAILURE);
4243 
4244 	/*
4245 	 * Unregister from the MAC layer subsystem
4246 	 */
4247 	(void) mac_unregister(sc->sc_ic.ic_mach);
4248 
4249 	(void) ddi_intr_remove_softint(sc->sc_softintr_hdl);
4250 	sc->sc_softintr_hdl = NULL;
4251 	(void) ddi_intr_disable(sc->sc_intr_htable[0]);
4252 	(void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
4253 	(void) ddi_intr_free(sc->sc_intr_htable[0]);
4254 	kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
4255 
4256 	/*
4257 	 * detach ieee80211 layer
4258 	 */
4259 	ieee80211_detach(&sc->sc_ic);
4260 
4261 
4262 	for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++)
4263 		mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4264 	mwl_free_rx_ring(sc);
4265 	mwl_free_cmdbuf(sc);
4266 
4267 	mutex_destroy(&sc->sc_txlock);
4268 	mutex_destroy(&sc->sc_rxlock);
4269 	mutex_destroy(&sc->sc_glock);
4270 
4271 	ddi_regs_map_free(&sc->sc_mem_handle);
4272 	ddi_regs_map_free(&sc->sc_io_handle);
4273 	ddi_regs_map_free(&sc->sc_cfg_handle);
4274 
4275 	ddi_remove_minor_node(devinfo, NULL);
4276 	ddi_soft_state_free(mwl_soft_state_p, ddi_get_instance(devinfo));
4277 
4278 	MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_detach(): "
4279 	    "detach successfully\n");
4280 	return (DDI_SUCCESS);
4281 }
4282 
4283 /*
4284  * quiesce(9E) entry point.
4285  *
4286  * This function is called when the system is single-threaded at high
4287  * PIL with preemption disabled. Therefore, this function must not be
4288  * blocked.
4289  *
4290  * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure.
4291  * DDI_FAILURE indicates an error condition and should almost never happen.
4292  */
4293 int
4294 mwl_quiesce(dev_info_t *dip)
4295 {
4296 	struct mwl_softc *sc;
4297 
4298 	sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(dip));
4299 	if (sc == NULL)
4300 		return (DDI_FAILURE);
4301 
4302 #ifdef DEBUG
4303 	mwl_dbg_flags = 0;
4304 #endif
4305 
4306 	/*
4307 	 * No more blocking is allowed while we are in quiesce(9E) entry point
4308 	 */
4309 	sc->sc_flags |= MWL_F_QUIESCE;
4310 
4311 	/*
4312 	 * Disable all interrupts
4313 	 */
4314 	mwl_stop(sc);
4315 	return (DDI_SUCCESS);
4316 }
4317 
4318 int
4319 _init(void)
4320 {
4321 	int status;
4322 
4323 	status = ddi_soft_state_init(&mwl_soft_state_p,
4324 	    sizeof (struct mwl_softc), 1);
4325 	if (status != 0)
4326 		return (status);
4327 
4328 	mac_init_ops(&mwl_dev_ops, "mwl");
4329 	status = mod_install(&modlinkage);
4330 	if (status != 0) {
4331 		mac_fini_ops(&mwl_dev_ops);
4332 		ddi_soft_state_fini(&mwl_soft_state_p);
4333 	}
4334 	return (status);
4335 }
4336 
4337 int
4338 _info(struct modinfo *modinfop)
4339 {
4340 	return (mod_info(&modlinkage, modinfop));
4341 }
4342 
4343 int
4344 _fini(void)
4345 {
4346 	int status;
4347 
4348 	status = mod_remove(&modlinkage);
4349 	if (status == 0) {
4350 		mac_fini_ops(&mwl_dev_ops);
4351 		ddi_soft_state_fini(&mwl_soft_state_p);
4352 	}
4353 	return (status);
4354 }
4355