1 /*
   2  * Copyright 2010 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  * Copyright 2019 Joyent, Inc.
  38  */
  39 
  40 /*
  41  * Driver for the Marvell 88W8363 Wireless LAN controller.
  42  */
  43 #include <sys/stat.h>
  44 #include <sys/dlpi.h>
  45 #include <inet/common.h>
  46 #include <inet/mi.h>
  47 #include <sys/stream.h>
  48 #include <sys/errno.h>
  49 #include <sys/stropts.h>
  50 #include <sys/stat.h>
  51 #include <sys/sunddi.h>
  52 #include <sys/strsubr.h>
  53 #include <sys/strsun.h>
  54 #include <sys/pci.h>
  55 #include <sys/mac_provider.h>
  56 #include <sys/mac_wifi.h>
  57 #include <sys/net80211.h>
  58 #include <inet/wifi_ioctl.h>
  59 
  60 #include "mwl_var.h"
  61 
  62 static int mwl_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd);
  63 static int mwl_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd);
  64 static int mwl_quiesce(dev_info_t *devinfo);
  65 
  66 DDI_DEFINE_STREAM_OPS(mwl_dev_ops, nulldev, nulldev, mwl_attach, mwl_detach,
  67     nodev, NULL, D_MP, NULL, mwl_quiesce);
  68 
  69 static struct modldrv mwl_modldrv = {
  70         &mod_driverops,     /* Type of module.  This one is a driver */
  71         "Marvell 88W8363 WiFi driver v1.1",     /* short description */
  72         &mwl_dev_ops        /* driver specific ops */
  73 };
  74 
  75 static struct modlinkage modlinkage = {
  76         MODREV_1, (void *)&mwl_modldrv, NULL
  77 };
  78 
  79 static void *mwl_soft_state_p = NULL;
  80 
  81 static int      mwl_m_stat(void *,  uint_t, uint64_t *);
  82 static int      mwl_m_start(void *);
  83 static void     mwl_m_stop(void *);
  84 static int      mwl_m_promisc(void *, boolean_t);
  85 static int      mwl_m_multicst(void *, boolean_t, const uint8_t *);
  86 static int      mwl_m_unicst(void *, const uint8_t *);
  87 static mblk_t   *mwl_m_tx(void *, mblk_t *);
  88 static void     mwl_m_ioctl(void *, queue_t *, mblk_t *);
  89 static int      mwl_m_setprop(void *arg, const char *pr_name,
  90                     mac_prop_id_t wldp_pr_num,
  91                     uint_t wldp_length, const void *wldp_buf);
  92 static int      mwl_m_getprop(void *arg, const char *pr_name,
  93                     mac_prop_id_t wldp_pr_num, uint_t wldp_length,
  94                     void *wldp_buf);
  95 static void     mwl_m_propinfo(void *, const char *, mac_prop_id_t,
  96     mac_prop_info_handle_t);
  97 
  98 static mac_callbacks_t mwl_m_callbacks = {
  99         MC_IOCTL | MC_SETPROP | MC_GETPROP | MC_PROPINFO,
 100         mwl_m_stat,
 101         mwl_m_start,
 102         mwl_m_stop,
 103         mwl_m_promisc,
 104         mwl_m_multicst,
 105         mwl_m_unicst,
 106         mwl_m_tx,
 107         NULL,
 108         mwl_m_ioctl,
 109         NULL,
 110         NULL,
 111         NULL,
 112         mwl_m_setprop,
 113         mwl_m_getprop,
 114         mwl_m_propinfo
 115 };
 116 
 117 #define MWL_DBG_ATTACH          (1 << 0)
 118 #define MWL_DBG_DMA             (1 << 1)
 119 #define MWL_DBG_FW              (1 << 2)
 120 #define MWL_DBG_HW              (1 << 3)
 121 #define MWL_DBG_INTR            (1 << 4)
 122 #define MWL_DBG_RX              (1 << 5)
 123 #define MWL_DBG_TX              (1 << 6)
 124 #define MWL_DBG_CMD             (1 << 7)
 125 #define MWL_DBG_CRYPTO          (1 << 8)
 126 #define MWL_DBG_SR              (1 << 9)
 127 #define MWL_DBG_MSG             (1 << 10)
 128 
 129 uint32_t mwl_dbg_flags = 0x0;
 130 
 131 #ifdef DEBUG
 132 #define MWL_DBG \
 133         mwl_debug
 134 #else
 135 #define MWL_DBG(...) (void)(0)
 136 #endif
 137 
 138 /*
 139  * PIO access attributes for registers
 140  */
 141 static ddi_device_acc_attr_t mwl_reg_accattr = {
 142         DDI_DEVICE_ATTR_V0,
 143         DDI_STRUCTURE_LE_ACC,
 144         DDI_STRICTORDER_ACC,
 145         DDI_DEFAULT_ACC
 146 };
 147 
 148 static ddi_device_acc_attr_t mwl_cmdbuf_accattr = {
 149         DDI_DEVICE_ATTR_V0,
 150         DDI_NEVERSWAP_ACC,
 151         DDI_STRICTORDER_ACC,
 152         DDI_DEFAULT_ACC
 153 };
 154 
 155 /*
 156  * DMA access attributes for descriptors and bufs: NOT to be byte swapped.
 157  */
 158 static ddi_device_acc_attr_t mwl_desc_accattr = {
 159         DDI_DEVICE_ATTR_V0,
 160         DDI_NEVERSWAP_ACC,
 161         DDI_STRICTORDER_ACC,
 162         DDI_DEFAULT_ACC
 163 };
 164 
 165 static ddi_device_acc_attr_t mwl_buf_accattr = {
 166         DDI_DEVICE_ATTR_V0,
 167         DDI_NEVERSWAP_ACC,
 168         DDI_STRICTORDER_ACC,
 169         DDI_DEFAULT_ACC
 170 };
 171 
 172 /*
 173  * Describes the chip's DMA engine
 174  */
 175 static ddi_dma_attr_t mwl_dma_attr = {
 176         DMA_ATTR_V0,                    /* dma_attr version */
 177         0x0000000000000000ull,          /* dma_attr_addr_lo */
 178         0xFFFFFFFF,                     /* dma_attr_addr_hi */
 179         0x00000000FFFFFFFFull,          /* dma_attr_count_max */
 180         0x0000000000000001ull,          /* dma_attr_align */
 181         0x00000FFF,                     /* dma_attr_burstsizes */
 182         0x00000001,                     /* dma_attr_minxfer */
 183         0x000000000000FFFFull,          /* dma_attr_maxxfer */
 184         0xFFFFFFFFFFFFFFFFull,          /* dma_attr_seg */
 185         1,                              /* dma_attr_sgllen */
 186         0x00000001,                     /* dma_attr_granular */
 187         0                               /* dma_attr_flags */
 188 };
 189 
 190 /*
 191  * Supported rates for 802.11a/b/g modes (in 500Kbps unit).
 192  */
 193 static const struct ieee80211_rateset mwl_rateset_11b =
 194         { 4, { 2, 4, 11, 22 } };
 195 
 196 static const struct ieee80211_rateset mwl_rateset_11g =
 197         { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
 198 
 199 static int      mwl_alloc_dma_mem(dev_info_t *, ddi_dma_attr_t *, size_t,
 200                     ddi_device_acc_attr_t *, uint_t, uint_t,
 201                     struct dma_area *);
 202 static void     mwl_free_dma_mem(struct dma_area *);
 203 static int      mwl_alloc_cmdbuf(struct mwl_softc *);
 204 static void     mwl_free_cmdbuf(struct mwl_softc *);
 205 static int      mwl_alloc_rx_ring(struct mwl_softc *, int);
 206 static void     mwl_free_rx_ring(struct mwl_softc *);
 207 static int      mwl_alloc_tx_ring(struct mwl_softc *, struct mwl_tx_ring *,
 208                     int);
 209 static void     mwl_free_tx_ring(struct mwl_softc *, struct mwl_tx_ring *);
 210 static int      mwl_setupdma(struct mwl_softc *);
 211 static void     mwl_txq_init(struct mwl_softc *, struct mwl_tx_ring *, int);
 212 static int      mwl_tx_setup(struct mwl_softc *, int, int);
 213 static int      mwl_setup_txq(struct mwl_softc *);
 214 static int      mwl_fwload(struct mwl_softc *, void *);
 215 static int      mwl_loadsym(ddi_modhandle_t, char *, char **, size_t *);
 216 static void     mwlFwReset(struct mwl_softc *);
 217 static void     mwlPokeSdramController(struct mwl_softc *, int);
 218 static void     mwlTriggerPciCmd(struct mwl_softc *);
 219 static int      mwlWaitFor(struct mwl_softc *, uint32_t);
 220 static int      mwlSendBlock(struct mwl_softc *, int, const void *, size_t);
 221 static int      mwlSendBlock2(struct mwl_softc *, const void *, size_t);
 222 static void     mwlSendCmd(struct mwl_softc *);
 223 static int      mwlExecuteCmd(struct mwl_softc *, unsigned short);
 224 static int      mwlWaitForCmdComplete(struct mwl_softc *, uint16_t);
 225 static void     dumpresult(struct mwl_softc *, int);
 226 static int      mwlResetHalState(struct mwl_softc *);
 227 static int      mwlGetPwrCalTable(struct mwl_softc *);
 228 static int      mwlGetCalTable(struct mwl_softc *, uint8_t, uint8_t);
 229 static int      mwlGetPwrCalTable(struct mwl_softc *);
 230 static void     dumpcaldata(const char *, const uint8_t *, int);
 231 static void     get2Ghz(MWL_HAL_CHANNELINFO *, const uint8_t *, int);
 232 static void     get5Ghz(MWL_HAL_CHANNELINFO *, const uint8_t *, int);
 233 static void     setmaxtxpow(struct mwl_hal_channel *, int, int);
 234 static uint16_t ieee2mhz(int);
 235 static const char *
 236                 mwlcmdname(int);
 237 static int      mwl_gethwspecs(struct mwl_softc *);
 238 static int      mwl_getchannels(struct mwl_softc *);
 239 static void     getchannels(struct mwl_softc *, int, int *,
 240                     struct mwl_channel *);
 241 static void     addchannels(struct mwl_channel *, int, int *,
 242                     const MWL_HAL_CHANNELINFO *, int);
 243 static void     addht40channels(struct mwl_channel *, int, int *,
 244                     const MWL_HAL_CHANNELINFO *, int);
 245 static const struct mwl_channel *
 246                 findchannel(const struct mwl_channel *, int,
 247                     int, int);
 248 static void     addchan(struct mwl_channel *, int, int, int, int);
 249 
 250 static int      mwl_chan_set(struct mwl_softc *, struct mwl_channel *);
 251 static void     mwl_mapchan(MWL_HAL_CHANNEL *, const struct mwl_channel *);
 252 static int      mwl_setcurchanrates(struct mwl_softc *);
 253 const struct ieee80211_rateset *
 254                 mwl_get_suprates(struct ieee80211com *,
 255                     const struct mwl_channel *);
 256 static uint32_t cvtChannelFlags(const MWL_HAL_CHANNEL *);
 257 static const struct mwl_hal_channel *
 258                 findhalchannel(const struct mwl_softc *,
 259                     const MWL_HAL_CHANNEL *);
 260 enum ieee80211_phymode
 261                 mwl_chan2mode(const struct mwl_channel *);
 262 static int      mwl_map2regioncode(const struct mwl_regdomain *);
 263 static int      mwl_startrecv(struct mwl_softc *);
 264 static int      mwl_mode_init(struct mwl_softc *);
 265 static void     mwl_hal_intrset(struct mwl_softc *, uint32_t);
 266 static void     mwl_hal_getisr(struct mwl_softc *, uint32_t *);
 267 static int      mwl_hal_sethwdma(struct mwl_softc *,
 268                     const struct mwl_hal_txrxdma *);
 269 static int      mwl_hal_getchannelinfo(struct mwl_softc *, int, int,
 270                     const MWL_HAL_CHANNELINFO **);
 271 static int      mwl_hal_setmac_locked(struct mwl_softc *, const uint8_t *);
 272 static int      mwl_hal_keyreset(struct mwl_softc *, const MWL_HAL_KEYVAL *,
 273                     const uint8_t mac[IEEE80211_ADDR_LEN]);
 274 static int      mwl_hal_keyset(struct mwl_softc *, const MWL_HAL_KEYVAL *,
 275                     const uint8_t mac[IEEE80211_ADDR_LEN]);
 276 static int      mwl_hal_newstation(struct mwl_softc *, const uint8_t *,
 277                     uint16_t, uint16_t, const MWL_HAL_PEERINFO *, int, int);
 278 static int      mwl_hal_setantenna(struct mwl_softc *, MWL_HAL_ANTENNA, int);
 279 static int      mwl_hal_setradio(struct mwl_softc *, int, MWL_HAL_PREAMBLE);
 280 static int      mwl_hal_setwmm(struct mwl_softc *, int);
 281 static int      mwl_hal_setchannel(struct mwl_softc *, const MWL_HAL_CHANNEL *);
 282 static int      mwl_hal_settxpower(struct mwl_softc *, const MWL_HAL_CHANNEL *,
 283                     uint8_t);
 284 static int      mwl_hal_settxrate(struct mwl_softc *, MWL_HAL_TXRATE_HANDLING,
 285                     const MWL_HAL_TXRATE *);
 286 static int      mwl_hal_settxrate_auto(struct mwl_softc *,
 287                     const MWL_HAL_TXRATE *);
 288 static int      mwl_hal_setrateadaptmode(struct mwl_softc *, uint16_t);
 289 static int      mwl_hal_setoptimizationlevel(struct mwl_softc *, int);
 290 static int      mwl_hal_setregioncode(struct mwl_softc *, int);
 291 static int      mwl_hal_setassocid(struct mwl_softc *, const uint8_t *,
 292                     uint16_t);
 293 static int      mwl_setrates(struct ieee80211com *);
 294 static int      mwl_hal_setrtsthreshold(struct mwl_softc *, int);
 295 static int      mwl_hal_setcsmode(struct mwl_softc *, MWL_HAL_CSMODE);
 296 static int      mwl_hal_setpromisc(struct mwl_softc *, int);
 297 static int      mwl_hal_start(struct mwl_softc *);
 298 static int      mwl_hal_setinframode(struct mwl_softc *);
 299 static int      mwl_hal_stop(struct mwl_softc *);
 300 static struct ieee80211_node *
 301                 mwl_node_alloc(struct ieee80211com *);
 302 static void     mwl_node_free(struct ieee80211_node *);
 303 static int      mwl_key_alloc(struct ieee80211com *,
 304                     const struct ieee80211_key *,
 305                     ieee80211_keyix *, ieee80211_keyix *);
 306 static int      mwl_key_delete(struct ieee80211com *,
 307                     const struct ieee80211_key *);
 308 static int      mwl_key_set(struct ieee80211com *, const struct ieee80211_key *,
 309                     const uint8_t mac[IEEE80211_ADDR_LEN]);
 310 static void     mwl_setanywepkey(struct ieee80211com *, const uint8_t *);
 311 static void     mwl_setglobalkeys(struct ieee80211com *c);
 312 static int      addgroupflags(MWL_HAL_KEYVAL *, const struct ieee80211_key *);
 313 static void     mwl_hal_txstart(struct mwl_softc *, int);
 314 static int      mwl_send(ieee80211com_t *, mblk_t *, uint8_t);
 315 static void     mwl_next_scan(void *);
 316 static MWL_HAL_PEERINFO *
 317                 mkpeerinfo(MWL_HAL_PEERINFO *, const struct ieee80211_node *);
 318 static uint32_t get_rate_bitmap(const struct ieee80211_rateset *);
 319 static int      mwl_newstate(struct ieee80211com *, enum ieee80211_state, int);
 320 static int      cvtrssi(uint8_t);
 321 static uint_t   mwl_intr(caddr_t, caddr_t);
 322 static uint_t   mwl_softintr(caddr_t, caddr_t);
 323 static void     mwl_tx_intr(struct mwl_softc *);
 324 static void     mwl_rx_intr(struct mwl_softc *);
 325 static int      mwl_init(struct mwl_softc *);
 326 static void     mwl_stop(struct mwl_softc *);
 327 static int      mwl_resume(struct mwl_softc *);
 328 
 329 
 330 #ifdef DEBUG
 331 static void
 332 mwl_debug(uint32_t dbg_flags, const int8_t *fmt, ...)
 333 {
 334         va_list args;
 335 
 336         if (dbg_flags & mwl_dbg_flags) {
 337                 va_start(args, fmt);
 338                 vcmn_err(CE_CONT, fmt, args);
 339                 va_end(args);
 340         }
 341 }
 342 #endif
 343 
 344 /*
 345  * Allocate an DMA memory and a DMA handle for accessing it
 346  */
 347 static int
 348 mwl_alloc_dma_mem(dev_info_t *devinfo, ddi_dma_attr_t *dma_attr,
 349         size_t memsize, ddi_device_acc_attr_t *attr_p, uint_t alloc_flags,
 350         uint_t bind_flags, struct dma_area *dma_p)
 351 {
 352         int err;
 353 
 354         /*
 355          * Allocate handle
 356          */
 357         err = ddi_dma_alloc_handle(devinfo, dma_attr,
 358             DDI_DMA_SLEEP, NULL, &dma_p->dma_hdl);
 359         if (err != DDI_SUCCESS) {
 360                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
 361                     "failed to alloc handle\n");
 362                 goto fail1;
 363         }
 364 
 365         /*
 366          * Allocate memory
 367          */
 368         err = ddi_dma_mem_alloc(dma_p->dma_hdl, memsize, attr_p,
 369             alloc_flags, DDI_DMA_SLEEP, NULL, &dma_p->mem_va,
 370             &dma_p->alength, &dma_p->acc_hdl);
 371         if (err != DDI_SUCCESS) {
 372                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
 373                     "failed to alloc mem\n");
 374                 goto fail2;
 375         }
 376 
 377         /*
 378          * Bind the two together
 379          */
 380         err = ddi_dma_addr_bind_handle(dma_p->dma_hdl, NULL,
 381             dma_p->mem_va, dma_p->alength, bind_flags,
 382             DDI_DMA_SLEEP, NULL, &dma_p->cookie, &dma_p->ncookies);
 383         if (err != DDI_DMA_MAPPED) {
 384                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
 385                     "failed to bind handle\n");
 386                 goto fail3;
 387         }
 388 
 389         if (dma_p->ncookies != 1) {
 390                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_dma_mem(): "
 391                     "failed to alloc cookies\n");
 392                 goto fail4;
 393         }
 394 
 395         dma_p->nslots = ~0U;
 396         dma_p->size = ~0U;
 397         dma_p->token = ~0U;
 398         dma_p->offset = 0;
 399 
 400         return (DDI_SUCCESS);
 401 
 402 fail4:
 403         (void) ddi_dma_unbind_handle(dma_p->dma_hdl);
 404 fail3:
 405         ddi_dma_mem_free(&dma_p->acc_hdl);
 406 fail2:
 407         ddi_dma_free_handle(&dma_p->dma_hdl);
 408 fail1:
 409         return (err);
 410 }
 411 
 412 static void
 413 mwl_free_dma_mem(struct dma_area *dma_p)
 414 {
 415         if (dma_p->dma_hdl != NULL) {
 416                 (void) ddi_dma_unbind_handle(dma_p->dma_hdl);
 417                 if (dma_p->acc_hdl != NULL) {
 418                         ddi_dma_mem_free(&dma_p->acc_hdl);
 419                         dma_p->acc_hdl = NULL;
 420                 }
 421                 ddi_dma_free_handle(&dma_p->dma_hdl);
 422                 dma_p->ncookies = 0;
 423                 dma_p->dma_hdl = NULL;
 424         }
 425 }
 426 
 427 static int
 428 mwl_alloc_cmdbuf(struct mwl_softc *sc)
 429 {
 430         int err;
 431         size_t size;
 432 
 433         size = MWL_CMDBUF_SIZE;
 434 
 435         err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr, size,
 436             &mwl_cmdbuf_accattr, DDI_DMA_CONSISTENT,
 437             DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
 438             &sc->sc_cmd_dma);
 439         if (err != DDI_SUCCESS) {
 440                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_cmdbuf(): "
 441                     "failed to alloc dma mem\n");
 442                 return (DDI_FAILURE);
 443         }
 444 
 445         sc->sc_cmd_mem = (uint16_t *)sc->sc_cmd_dma.mem_va;
 446         sc->sc_cmd_dmaaddr = sc->sc_cmd_dma.cookie.dmac_address;
 447 
 448         return (DDI_SUCCESS);
 449 }
 450 
 451 static void
 452 mwl_free_cmdbuf(struct mwl_softc *sc)
 453 {
 454         if (sc->sc_cmd_mem != NULL)
 455                 mwl_free_dma_mem(&sc->sc_cmd_dma);
 456 }
 457 
 458 static int
 459 mwl_alloc_rx_ring(struct mwl_softc *sc, int count)
 460 {
 461         struct mwl_rx_ring *ring;
 462         struct mwl_rxdesc *ds;
 463         struct mwl_rxbuf *bf;
 464         int i, err, datadlen;
 465 
 466         ring = &sc->sc_rxring;
 467         ring->count = count;
 468         ring->cur = ring->next = 0;
 469         err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
 470             count * sizeof (struct mwl_rxdesc),
 471             &mwl_desc_accattr,
 472             DDI_DMA_CONSISTENT, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
 473             &ring->rxdesc_dma);
 474         if (err) {
 475                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rxring(): "
 476                     "alloc tx ring failed, size %d\n",
 477                     (uint32_t)(count * sizeof (struct mwl_rxdesc)));
 478                 return (DDI_FAILURE);
 479         }
 480 
 481         MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rx_ring(): "
 482             "dma len = %d\n", (uint32_t)(ring->rxdesc_dma.alength));
 483         ring->desc = (struct mwl_rxdesc *)ring->rxdesc_dma.mem_va;
 484         ring->physaddr = ring->rxdesc_dma.cookie.dmac_address;
 485         bzero(ring->desc, count * sizeof (struct mwl_rxdesc));
 486 
 487         datadlen = count * sizeof (struct mwl_rxbuf);
 488         ring->buf = (struct mwl_rxbuf *)kmem_zalloc(datadlen, KM_SLEEP);
 489         if (ring->buf == NULL) {
 490                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_rxring(): "
 491                     "could not alloc rx ring data buffer\n");
 492                 return (DDI_FAILURE);
 493         }
 494         bzero(ring->buf, count * sizeof (struct mwl_rxbuf));
 495 
 496         /*
 497          * Pre-allocate Rx buffers and populate Rx ring.
 498          */
 499         for (i = 0; i < count; i++) {
 500                 ds = &ring->desc[i];
 501                 bf = &ring->buf[i];
 502                 /* alloc DMA memory */
 503                 (void) mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
 504                     sc->sc_dmabuf_size,
 505                     &mwl_buf_accattr,
 506                     DDI_DMA_STREAMING,
 507                     DDI_DMA_READ | DDI_DMA_STREAMING,
 508                     &bf->rxbuf_dma);
 509                 bf->bf_mem = (uint8_t *)(bf->rxbuf_dma.mem_va);
 510                 bf->bf_baddr = bf->rxbuf_dma.cookie.dmac_address;
 511                 bf->bf_desc = ds;
 512                 bf->bf_daddr = ring->physaddr + _PTRDIFF(ds, ring->desc);
 513         }
 514 
 515         (void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
 516             0,
 517             ring->rxdesc_dma.alength,
 518             DDI_DMA_SYNC_FORDEV);
 519 
 520         return (0);
 521 }
 522 
 523 static void
 524 mwl_free_rx_ring(struct mwl_softc *sc)
 525 {
 526         struct mwl_rx_ring *ring;
 527         struct mwl_rxbuf *bf;
 528         int i;
 529 
 530         ring = &sc->sc_rxring;
 531 
 532         if (ring->desc != NULL) {
 533                 mwl_free_dma_mem(&ring->rxdesc_dma);
 534         }
 535 
 536         if (ring->buf != NULL) {
 537                 for (i = 0; i < ring->count; i++) {
 538                         bf = &ring->buf[i];
 539                         mwl_free_dma_mem(&bf->rxbuf_dma);
 540                 }
 541                 kmem_free(ring->buf,
 542                     (ring->count * sizeof (struct mwl_rxbuf)));
 543         }
 544 }
 545 
 546 static int
 547 mwl_alloc_tx_ring(struct mwl_softc *sc, struct mwl_tx_ring *ring,
 548     int count)
 549 {
 550         struct mwl_txdesc *ds;
 551         struct mwl_txbuf *bf;
 552         int i, err, datadlen;
 553 
 554         ring->count = count;
 555         ring->queued = 0;
 556         ring->cur = ring->next = ring->stat = 0;
 557         err = mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
 558             count * sizeof (struct mwl_txdesc), &mwl_desc_accattr,
 559             DDI_DMA_CONSISTENT, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
 560             &ring->txdesc_dma);
 561         if (err) {
 562                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
 563                     "alloc tx ring failed, size %d\n",
 564                     (uint32_t)(count * sizeof (struct mwl_txdesc)));
 565                 return (DDI_FAILURE);
 566         }
 567 
 568         MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
 569             "dma len = %d\n", (uint32_t)(ring->txdesc_dma.alength));
 570         ring->desc = (struct mwl_txdesc *)ring->txdesc_dma.mem_va;
 571         ring->physaddr = ring->txdesc_dma.cookie.dmac_address;
 572         bzero(ring->desc, count * sizeof (struct mwl_txdesc));
 573 
 574         datadlen = count * sizeof (struct mwl_txbuf);
 575         ring->buf = kmem_zalloc(datadlen, KM_SLEEP);
 576         if (ring->buf == NULL) {
 577                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_alloc_tx_ring(): "
 578                     "could not alloc tx ring data buffer\n");
 579                 return (DDI_FAILURE);
 580         }
 581         bzero(ring->buf, count * sizeof (struct mwl_txbuf));
 582 
 583         for (i = 0; i < count; i++) {
 584                 ds = &ring->desc[i];
 585                 bf = &ring->buf[i];
 586                 /* alloc DMA memory */
 587                 (void) mwl_alloc_dma_mem(sc->sc_dev, &mwl_dma_attr,
 588                     sc->sc_dmabuf_size,
 589                     &mwl_buf_accattr,
 590                     DDI_DMA_STREAMING,
 591                     DDI_DMA_WRITE | DDI_DMA_STREAMING,
 592                     &bf->txbuf_dma);
 593                 bf->bf_baddr = bf->txbuf_dma.cookie.dmac_address;
 594                 bf->bf_mem = (uint8_t *)(bf->txbuf_dma.mem_va);
 595                 bf->bf_daddr = ring->physaddr + _PTRDIFF(ds, ring->desc);
 596                 bf->bf_desc = ds;
 597         }
 598 
 599         (void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
 600             0,
 601             ring->txdesc_dma.alength,
 602             DDI_DMA_SYNC_FORDEV);
 603 
 604         return (0);
 605 }
 606 
 607 /* ARGSUSED */
 608 static void
 609 mwl_free_tx_ring(struct mwl_softc *sc, struct mwl_tx_ring *ring)
 610 {
 611         struct mwl_txbuf *bf;
 612         int i;
 613 
 614         if (ring->desc != NULL) {
 615                 mwl_free_dma_mem(&ring->txdesc_dma);
 616         }
 617 
 618         if (ring->buf != NULL) {
 619                 for (i = 0; i < ring->count; i++) {
 620                         bf = &ring->buf[i];
 621                         mwl_free_dma_mem(&bf->txbuf_dma);
 622                 }
 623                 kmem_free(ring->buf,
 624                     (ring->count * sizeof (struct mwl_txbuf)));
 625         }
 626 }
 627 
 628 /*
 629  * Inform the f/w about location of the tx/rx dma data structures
 630  * and related state.  This cmd must be done immediately after a
 631  * mwl_hal_gethwspecs call or the f/w will lockup.
 632  */
 633 static int
 634 mwl_hal_sethwdma(struct mwl_softc *sc, const struct mwl_hal_txrxdma *dma)
 635 {
 636         HostCmd_DS_SET_HW_SPEC *pCmd;
 637         int retval;
 638 
 639         _CMD_SETUP(pCmd, HostCmd_DS_SET_HW_SPEC, HostCmd_CMD_SET_HW_SPEC);
 640         pCmd->WcbBase[0] = LE_32(dma->wcbBase[0]);
 641         pCmd->WcbBase[1] = LE_32(dma->wcbBase[1]);
 642         pCmd->WcbBase[2] = LE_32(dma->wcbBase[2]);
 643         pCmd->WcbBase[3] = LE_32(dma->wcbBase[3]);
 644         pCmd->TxWcbNumPerQueue = LE_32(dma->maxNumTxWcb);
 645         pCmd->NumTxQueues = LE_32(dma->maxNumWCB);
 646         pCmd->TotalRxWcb = LE_32(1);         /* XXX */
 647         pCmd->RxPdWrPtr = LE_32(dma->rxDescRead);
 648         /*
 649          * pCmd->Flags = LE_32(SET_HW_SPEC_HOSTFORM_BEACON
 650          * #ifdef MWL_HOST_PS_SUPPORT
 651          * | SET_HW_SPEC_HOST_POWERSAVE
 652          * #endif
 653          * | SET_HW_SPEC_HOSTFORM_PROBERESP);
 654          */
 655         pCmd->Flags = 0;
 656         /* disable multi-bss operation for A1-A4 parts */
 657         if (sc->sc_revs.mh_macRev < 5)
 658                 pCmd->Flags |= LE_32(SET_HW_SPEC_DISABLEMBSS);
 659 
 660         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_HW_SPEC);
 661         if (retval == 0) {
 662                 if (pCmd->Flags & LE_32(SET_HW_SPEC_DISABLEMBSS))
 663                         sc->sc_hw_flags &= ~MHF_MBSS;
 664                 else
 665                         sc->sc_hw_flags |= MHF_MBSS;
 666         }
 667 
 668         return (retval);
 669 }
 670 
 671 /*
 672  * Inform firmware of our tx/rx dma setup.  The BAR 0
 673  * writes below are for compatibility with older firmware.
 674  * For current firmware we send this information with a
 675  * cmd block via mwl_hal_sethwdma.
 676  */
 677 static int
 678 mwl_setupdma(struct mwl_softc *sc)
 679 {
 680         int i, err;
 681 
 682         sc->sc_hwdma.rxDescRead = sc->sc_rxring.physaddr;
 683         mwl_mem_write4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead);
 684         mwl_mem_write4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead);
 685 
 686         for (i = 0; i < MWL_NUM_TX_QUEUES - MWL_NUM_ACK_QUEUES; i++) {
 687                 struct mwl_tx_ring *txring = &sc->sc_txring[i];
 688                 sc->sc_hwdma.wcbBase[i] = txring->physaddr;
 689                 mwl_mem_write4(sc, sc->sc_hwspecs.wcbBase[i],
 690                     sc->sc_hwdma.wcbBase[i]);
 691         }
 692         sc->sc_hwdma.maxNumTxWcb = MWL_TX_RING_COUNT;
 693         sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES - MWL_NUM_ACK_QUEUES;
 694 
 695         err = mwl_hal_sethwdma(sc, &sc->sc_hwdma);
 696         if (err != 0) {
 697                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_setupdma(): "
 698                     "unable to setup tx/rx dma; hal status %u\n", err);
 699                 /* XXX */
 700         }
 701 
 702         return (err);
 703 }
 704 
 705 /* ARGSUSED */
 706 static void
 707 mwl_txq_init(struct mwl_softc *sc, struct mwl_tx_ring *txring, int qnum)
 708 {
 709         struct mwl_txbuf *bf;
 710         struct mwl_txdesc *ds;
 711         int i;
 712 
 713         txring->qnum = qnum;
 714         txring->txpri = 0;   /* XXX */
 715 
 716         bf = txring->buf;
 717         ds = txring->desc;
 718         for (i = 0; i < MWL_TX_RING_COUNT - 1; i++) {
 719                 bf++;
 720                 ds->pPhysNext = bf->bf_daddr;
 721                 ds++;
 722         }
 723         bf = txring->buf;
 724         ds->pPhysNext = LE_32(bf->bf_daddr);
 725 }
 726 
 727 /*
 728  * Setup a hardware data transmit queue for the specified
 729  * access control.  We record the mapping from ac's
 730  * to h/w queues for use by mwl_tx_start.
 731  */
 732 static int
 733 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype)
 734 {
 735 #define N(a)    (sizeof (a)/sizeof (a[0]))
 736         struct mwl_tx_ring *txring;
 737 
 738         if (ac >= N(sc->sc_ac2q)) {
 739                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_tx_setup(): "
 740                     "AC %u out of range, max %u!\n",
 741                     ac, (uint_t)N(sc->sc_ac2q));
 742                 return (0);
 743         }
 744         if (mvtype >= MWL_NUM_TX_QUEUES) {
 745                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_tx_setup(): "
 746                     "mvtype %u out of range, max %u!\n",
 747                     mvtype, MWL_NUM_TX_QUEUES);
 748                 return (0);
 749         }
 750         txring = &sc->sc_txring[mvtype];
 751         mwl_txq_init(sc, txring, mvtype);
 752         sc->sc_ac2q[ac] = txring;
 753         return (1);
 754 #undef N
 755 }
 756 
 757 static int
 758 mwl_setup_txq(struct mwl_softc *sc)
 759 {
 760         int err = 0;
 761 
 762         /* NB: insure BK queue is the lowest priority h/w queue */
 763         if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) {
 764                 MWL_DBG(MWL_DBG_DMA, "mwl: mwl_setup_txq(): "
 765                     "unable to setup xmit queue for %s traffic!\n",
 766                     mwl_wme_acnames[WME_AC_BK]);
 767                 err = EIO;
 768                 return (err);
 769         }
 770         if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) ||
 771             !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) ||
 772             !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) {
 773                 /*
 774                  * Not enough hardware tx queues to properly do WME;
 775                  * just punt and assign them all to the same h/w queue.
 776                  * We could do a better job of this if, for example,
 777                  * we allocate queues when we switch from station to
 778                  * AP mode.
 779                  */
 780                 sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK];
 781                 sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK];
 782                 sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK];
 783         }
 784 
 785         return (err);
 786 }
 787 
 788 /*
 789  * find mwl firmware module's "_start" "_end" symbols
 790  * and get its size.
 791  */
 792 static int
 793 mwl_loadsym(ddi_modhandle_t modp, char *sym, char **start, size_t *len)
 794 {
 795         char start_sym[64];
 796         char end_sym[64];
 797         char *p, *end;
 798         int rv;
 799         size_t n;
 800 
 801         (void) snprintf(start_sym, sizeof (start_sym), "%s_start", sym);
 802         (void) snprintf(end_sym, sizeof (end_sym), "%s_end", sym);
 803 
 804         p = (char *)ddi_modsym(modp, start_sym, &rv);
 805         if (p == NULL || rv != 0) {
 806                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadsym(): "
 807                     "mod %s: symbol %s not found\n", sym, start_sym);
 808                 return (-1);
 809         }
 810 
 811         end = (char *)ddi_modsym(modp, end_sym, &rv);
 812         if (end == NULL || rv != 0) {
 813                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadsym(): "
 814                     "mod %s: symbol %s not found\n", sym, end_sym);
 815                 return (-1);
 816         }
 817 
 818         n = _PTRDIFF(end, p);
 819         *start = p;
 820         *len = n;
 821 
 822         return (0);
 823 }
 824 
 825 static void
 826 mwlFwReset(struct mwl_softc *sc)
 827 {
 828         if (mwl_ctl_read4(sc,  MACREG_REG_INT_CODE) == 0xffffffff) {
 829                 MWL_DBG(MWL_DBG_FW, "mwl: mwlFWReset(): "
 830                     "device not present!\n");
 831                 return;
 832         }
 833 
 834         mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS, ISR_RESET);
 835         sc->sc_hw_flags &= ~MHF_FWHANG;
 836 }
 837 
 838 static void
 839 mwlPokeSdramController(struct mwl_softc *sc, int SDRAMSIZE_Addr)
 840 {
 841         /* Set up sdram controller for superflyv2 */
 842         mwl_ctl_write4(sc, 0x00006014, 0x33);
 843         mwl_ctl_write4(sc, 0x00006018, 0xa3a2632);
 844         mwl_ctl_write4(sc, 0x00006010, SDRAMSIZE_Addr);
 845 }
 846 
 847 static void
 848 mwlTriggerPciCmd(struct mwl_softc *sc)
 849 {
 850         (void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
 851             0,
 852             sc->sc_cmd_dma.alength,
 853             DDI_DMA_SYNC_FORDEV);
 854 
 855         mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, sc->sc_cmd_dmaaddr);
 856         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
 857 
 858         mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0x00);
 859         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
 860 
 861         mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
 862             MACREG_H2ARIC_BIT_DOOR_BELL);
 863         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
 864 }
 865 
 866 static int
 867 mwlWaitFor(struct mwl_softc *sc, uint32_t val)
 868 {
 869         int i;
 870 
 871         for (i = 0; i < FW_MAX_NUM_CHECKS; i++) {
 872                 DELAY(FW_CHECK_USECS);
 873                 if (mwl_ctl_read4(sc, MACREG_REG_INT_CODE) == val)
 874                         return (1);
 875         }
 876         return (0);
 877 }
 878 
 879 /*
 880  * Firmware block xmit when talking to the boot-rom.
 881  */
 882 static int
 883 mwlSendBlock(struct mwl_softc *sc, int bsize, const void *data, size_t dsize)
 884 {
 885         sc->sc_cmd_mem[0] = LE_16(HostCmd_CMD_CODE_DNLD);
 886         sc->sc_cmd_mem[1] = LE_16(bsize);
 887         (void) memcpy(&sc->sc_cmd_mem[4], data, dsize);
 888         mwlTriggerPciCmd(sc);
 889         /* XXX 2000 vs 200 */
 890         if (mwlWaitFor(sc, MACREG_INT_CODE_CMD_FINISHED)) {
 891                 mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
 892                 return (1);
 893         }
 894 
 895         MWL_DBG(MWL_DBG_FW, "mwl: mwlSendBlock(): "
 896             "timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
 897             mwl_ctl_read4(sc, MACREG_REG_INT_CODE));
 898         return (0);
 899 }
 900 
 901 /*
 902  * Firmware block xmit when talking to the 1st-stage loader.
 903  */
 904 static int
 905 mwlSendBlock2(struct mwl_softc *sc, const void *data, size_t dsize)
 906 {
 907         (void) memcpy(&sc->sc_cmd_mem[0], data, dsize);
 908         mwlTriggerPciCmd(sc);
 909         if (mwlWaitFor(sc, MACREG_INT_CODE_CMD_FINISHED)) {
 910                 mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
 911                 return (1);
 912         }
 913 
 914         MWL_DBG(MWL_DBG_FW, "mwl: mwlSendBlock2(): "
 915             "timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
 916             mwl_ctl_read4(sc, MACREG_REG_INT_CODE));
 917         return (0);
 918 }
 919 
 920 /* ARGSUSED */
 921 static int
 922 mwl_fwload(struct mwl_softc *sc, void *fwargs)
 923 {
 924         char *fwname = "mwlfw";
 925         char *fwbootname = "mwlboot";
 926         char *fwbinname = "mw88W8363fw";
 927         char *fwboot_index, *fw_index;
 928         uint8_t *fw, *fwboot;
 929         ddi_modhandle_t modfw;
 930         /* XXX get from firmware header */
 931         uint32_t FwReadySignature = HostCmd_SOFTAP_FWRDY_SIGNATURE;
 932         uint32_t OpMode = HostCmd_SOFTAP_MODE;
 933         const uint8_t *fp, *ep;
 934         size_t fw_size, fwboot_size;
 935         uint32_t blocksize, nbytes;
 936         int i, rv, err, ntries;
 937 
 938         rv = err = 0;
 939         fw = fwboot = NULL;
 940         fw_index = fwboot_index = NULL;
 941 
 942         modfw = ddi_modopen(fwname, KRTLD_MODE_FIRST, &rv);
 943         if (modfw == NULL) {
 944                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
 945                     "module %s not found\n", fwname);
 946                 err = -1;
 947                 goto bad2;
 948         }
 949 
 950         err = mwl_loadsym(modfw, fwbootname, &fwboot_index, &fwboot_size);
 951         if (err != 0) {
 952                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
 953                     "could not get boot firmware\n");
 954                 err = -1;
 955                 goto bad2;
 956         }
 957 
 958         err = mwl_loadsym(modfw, fwbinname, &fw_index, &fw_size);
 959         if (err != 0) {
 960                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
 961                     "could not get firmware\n");
 962                 err = -1;
 963                 goto bad2;
 964         }
 965 
 966         fwboot = (uint8_t *)kmem_alloc(fwboot_size, KM_SLEEP);
 967         if (fwboot == NULL) {
 968                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadfirmware(): "
 969                     "failed to alloc boot firmware memory\n");
 970                 err = -1;
 971                 goto bad2;
 972         }
 973         (void) memcpy(fwboot, fwboot_index, fwboot_size);
 974 
 975         fw = (uint8_t *)kmem_alloc(fw_size, KM_SLEEP);
 976         if (fw == NULL) {
 977                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_loadfirmware(): "
 978                     "failed to alloc firmware memory\n");
 979                 err = -1;
 980                 goto bad2;
 981         }
 982         (void) memcpy(fw, fw_index, fw_size);
 983 
 984         if (modfw != NULL)
 985                 (void) ddi_modclose(modfw);
 986 
 987         if (fw_size < 4) {
 988                 MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
 989                     "could not load firmware image %s\n",
 990                     fwname);
 991                 err = ENXIO;
 992                 goto bad2;
 993         }
 994 
 995         if (fw[0] == 0x01 && fw[1] == 0x00 &&
 996             fw[2] == 0x00 && fw[3] == 0x00) {
 997                 /*
 998                  * 2-stage load, get the boot firmware.
 999                  */
1000                 if (fwboot == NULL) {
1001                         MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
1002                             "could not load firmware image %s\n",
1003                             fwbootname);
1004                         err = ENXIO;
1005                         goto bad2;
1006                 }
1007         } else
1008                 fwboot = NULL;
1009 
1010         mwlFwReset(sc);
1011 
1012         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CLEAR_SEL,
1013             MACREG_A2HRIC_BIT_MASK);
1014         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE, 0x00);
1015         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, 0x00);
1016         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_STATUS_MASK,
1017             MACREG_A2HRIC_BIT_MASK);
1018         if (sc->sc_SDRAMSIZE_Addr != 0) {
1019                 /* Set up sdram controller for superflyv2 */
1020                 mwlPokeSdramController(sc, sc->sc_SDRAMSIZE_Addr);
1021         }
1022 
1023         MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
1024             "load %s firmware image (%u bytes)\n",
1025             fwname, (unsigned int)fw_size);
1026 
1027         if (fwboot != NULL) {
1028                 /*
1029                  * Do 2-stage load.  The 1st stage loader is setup
1030                  * with the bootrom loader then we load the real
1031                  * image using a different handshake. With this
1032                  * mechanism the firmware is segmented into chunks
1033                  * that have a CRC.  If a chunk is incorrect we'll
1034                  * be told to retransmit.
1035                  */
1036                 /* XXX assumes hlpimage fits in a block */
1037                 /* NB: zero size block indicates download is finished */
1038                 if (!mwlSendBlock(sc, fwboot_size, fwboot, fwboot_size) ||
1039                     !mwlSendBlock(sc, 0, NULL, 0)) {
1040                         err = ETIMEDOUT;
1041                         goto bad;
1042                 }
1043                 DELAY(200 * FW_CHECK_USECS);
1044                 if (sc->sc_SDRAMSIZE_Addr != 0) {
1045                         /* Set up sdram controller for superflyv2 */
1046                         mwlPokeSdramController(sc, sc->sc_SDRAMSIZE_Addr);
1047                 }
1048                 nbytes = ntries = 0;            /* NB: silence compiler */
1049                 for (fp = fw, ep = fp + fw_size; fp < ep; ) {
1050                         mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0);
1051                         blocksize = mwl_ctl_read4(sc, MACREG_REG_SCRATCH);
1052                         if (blocksize == 0)     /* download complete */
1053                                 break;
1054                         if (blocksize > 0x00000c00) {
1055                                 err = EINVAL;
1056                                 goto bad;
1057                         }
1058                         if ((blocksize & 0x1) == 0) {
1059                                 /* block successfully downloaded, advance */
1060                                 fp += nbytes;
1061                                 ntries = 0;
1062                         } else {
1063                                 if (++ntries > 2) {
1064                                         /*
1065                                          * Guard against f/w telling us to
1066                                          * retry infinitely.
1067                                          */
1068                                         err = ELOOP;
1069                                         goto bad;
1070                                 }
1071                                 /* clear NAK bit/flag */
1072                                 blocksize &= ~0x1;
1073                         }
1074                         if (blocksize > _PTRDIFF(ep, fp)) {
1075                                 /* XXX this should not happen, what to do? */
1076                                 blocksize = _PTRDIFF(ep, fp);
1077                         }
1078                         nbytes = blocksize;
1079                         if (!mwlSendBlock2(sc, fp, nbytes)) {
1080                                 err = ETIMEDOUT;
1081                                 goto bad;
1082                         }
1083                 }
1084         } else {
1085                 for (fp = fw, ep = fp + fw_size; fp < ep; ) {
1086                         nbytes = _PTRDIFF(ep, fp);
1087                         if (nbytes > FW_DOWNLOAD_BLOCK_SIZE)
1088                                 nbytes = FW_DOWNLOAD_BLOCK_SIZE;
1089                         if (!mwlSendBlock(sc, FW_DOWNLOAD_BLOCK_SIZE, fp,
1090                             nbytes)) {
1091                                 err = EIO;
1092                                 goto bad;
1093                         }
1094                         fp += nbytes;
1095                 }
1096         }
1097 
1098         /*
1099          * Wait for firmware to startup; we monitor the
1100          * INT_CODE register waiting for a signature to
1101          * written back indicating it's ready to go.
1102          */
1103         sc->sc_cmd_mem[1] = 0;
1104         /*
1105          * XXX WAR for mfg fw download
1106          */
1107         if (OpMode != HostCmd_STA_MODE)
1108                 mwlTriggerPciCmd(sc);
1109         for (i = 0; i < FW_MAX_NUM_CHECKS; i++) {
1110                 mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, OpMode);
1111                 DELAY(FW_CHECK_USECS);
1112                 if (mwl_ctl_read4(sc, MACREG_REG_INT_CODE) ==
1113                     FwReadySignature) {
1114                         mwl_ctl_write4(sc, MACREG_REG_INT_CODE, 0x00);
1115                         return (mwlResetHalState(sc));
1116                 }
1117         }
1118         MWL_DBG(MWL_DBG_FW, "mwl: mwl_fwload(): "
1119             "firmware download timeout\n");
1120         return (ETIMEDOUT);
1121 bad:
1122         mwlFwReset(sc);
1123 bad2:
1124         if (fw != NULL)
1125                 kmem_free(fw, fw_size);
1126         if (fwboot != NULL)
1127                 kmem_free(fwboot, fwboot_size);
1128         fwboot = fw = NULL;
1129         fwboot_index = fw_index = NULL;
1130         if (modfw != NULL)
1131                 (void) ddi_modclose(modfw);
1132         return (err);
1133 }
1134 
1135 /*
1136  * Low level firmware cmd block handshake support.
1137  */
1138 static void
1139 mwlSendCmd(struct mwl_softc *sc)
1140 {
1141         (void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
1142             0,
1143             sc->sc_cmd_dma.alength,
1144             DDI_DMA_SYNC_FORDEV);
1145 
1146         mwl_ctl_write4(sc, MACREG_REG_GEN_PTR, sc->sc_cmd_dmaaddr);
1147         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
1148 
1149         mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
1150             MACREG_H2ARIC_BIT_DOOR_BELL);
1151 }
1152 
1153 static int
1154 mwlExecuteCmd(struct mwl_softc *sc, unsigned short cmd)
1155 {
1156         if (mwl_ctl_read4(sc,  MACREG_REG_INT_CODE) == 0xffffffff) {
1157                 MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1158                     "device not present!\n");
1159                 return (EIO);
1160         }
1161         mwlSendCmd(sc);
1162         if (!mwlWaitForCmdComplete(sc, 0x8000 | cmd)) {
1163                 MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1164                     "timeout waiting for f/w cmd %s\n", mwlcmdname(cmd));
1165                 return (ETIMEDOUT);
1166         }
1167         (void) ddi_dma_sync(sc->sc_cmd_dma.dma_hdl,
1168             0,
1169             sc->sc_cmd_dma.alength,
1170             DDI_DMA_SYNC_FORDEV);
1171 
1172         MWL_DBG(MWL_DBG_CMD, "mwl: mwlExecuteCmd(): "
1173             "send cmd %s\n", mwlcmdname(cmd));
1174 
1175         if (mwl_dbg_flags & MWL_DBG_CMD)
1176                 dumpresult(sc, 1);
1177 
1178         return (0);
1179 }
1180 
1181 static int
1182 mwlWaitForCmdComplete(struct mwl_softc *sc, uint16_t cmdCode)
1183 {
1184 #define MAX_WAIT_FW_COMPLETE_ITERATIONS 10000
1185         int i;
1186 
1187         for (i = 0; i < MAX_WAIT_FW_COMPLETE_ITERATIONS; i++) {
1188                 if (sc->sc_cmd_mem[0] == LE_16(cmdCode))
1189                         return (1);
1190                 DELAY(1 * 1000);
1191         }
1192         return (0);
1193 #undef MAX_WAIT_FW_COMPLETE_ITERATIONS
1194 }
1195 
1196 static const char *
1197 mwlcmdname(int cmd)
1198 {
1199         static char buf[12];
1200 #define CMD(x)  case HostCmd_CMD_##x: return #x
1201         switch (cmd) {
1202         CMD(CODE_DNLD);
1203         CMD(GET_HW_SPEC);
1204         CMD(SET_HW_SPEC);
1205         CMD(MAC_MULTICAST_ADR);
1206         CMD(802_11_GET_STAT);
1207         CMD(MAC_REG_ACCESS);
1208         CMD(BBP_REG_ACCESS);
1209         CMD(RF_REG_ACCESS);
1210         CMD(802_11_RADIO_CONTROL);
1211         CMD(802_11_RF_TX_POWER);
1212         CMD(802_11_RF_ANTENNA);
1213         CMD(SET_BEACON);
1214         CMD(SET_RF_CHANNEL);
1215         CMD(SET_AID);
1216         CMD(SET_INFRA_MODE);
1217         CMD(SET_G_PROTECT_FLAG);
1218         CMD(802_11_RTS_THSD);
1219         CMD(802_11_SET_SLOT);
1220         CMD(SET_EDCA_PARAMS);
1221         CMD(802_11H_DETECT_RADAR);
1222         CMD(SET_WMM_MODE);
1223         CMD(HT_GUARD_INTERVAL);
1224         CMD(SET_FIXED_RATE);
1225         CMD(SET_LINKADAPT_CS_MODE);
1226         CMD(SET_MAC_ADDR);
1227         CMD(SET_RATE_ADAPT_MODE);
1228         CMD(BSS_START);
1229         CMD(SET_NEW_STN);
1230         CMD(SET_KEEP_ALIVE);
1231         CMD(SET_APMODE);
1232         CMD(SET_SWITCH_CHANNEL);
1233         CMD(UPDATE_ENCRYPTION);
1234         CMD(BASTREAM);
1235         CMD(SET_RIFS);
1236         CMD(SET_N_PROTECT_FLAG);
1237         CMD(SET_N_PROTECT_OPMODE);
1238         CMD(SET_OPTIMIZATION_LEVEL);
1239         CMD(GET_CALTABLE);
1240         CMD(SET_MIMOPSHT);
1241         CMD(GET_BEACON);
1242         CMD(SET_REGION_CODE);
1243         CMD(SET_POWERSAVESTATION);
1244         CMD(SET_TIM);
1245         CMD(GET_TIM);
1246         CMD(GET_SEQNO);
1247         CMD(DWDS_ENABLE);
1248         CMD(AMPDU_RETRY_RATEDROP_MODE);
1249         CMD(CFEND_ENABLE);
1250         }
1251         (void) snprintf(buf, sizeof (buf), "0x%x", cmd);
1252         return (buf);
1253 #undef CMD
1254 }
1255 
1256 static void
1257 dumpresult(struct mwl_softc *sc, int showresult)
1258 {
1259         const FWCmdHdr *h = (const FWCmdHdr *)sc->sc_cmd_mem;
1260         int len;
1261 
1262         len = LE_16(h->Length);
1263 #ifdef MWL_MBSS_SUPPORT
1264         MWL_DBG(MWL_DBG_CMD, "mwl: mwl_dumpresult(): "
1265             "Cmd %s Length %d SeqNum %d MacId %d",
1266             mwlcmdname(LE_16(h->Cmd) & ~0x8000), len, h->SeqNum, h->MacId);
1267 #else
1268         MWL_DBG(MWL_DBG_CMD, "mwl: mwl_dumpresult(): "
1269             "Cmd %s Length %d SeqNum %d",
1270             mwlcmdname(LE_16(h->Cmd) & ~0x8000), len, LE_16(h->SeqNum));
1271 #endif
1272         if (showresult) {
1273                 const char *results[] =
1274                     { "OK", "ERROR", "NOT_SUPPORT", "PENDING", "BUSY",
1275                     "PARTIAL_DATA" };
1276                 int result = LE_16(h->Result);
1277 
1278                 if (result <= HostCmd_RESULT_PARTIAL_DATA)
1279                         MWL_DBG(MWL_DBG_CMD, "mwl: dumpresult(): "
1280                             "Result %s", results[result]);
1281                 else
1282                         MWL_DBG(MWL_DBG_CMD, "mwl: dumpresult(): "
1283                             "Result %d", result);
1284         }
1285 }
1286 
1287 static int
1288 mwlGetCalTable(struct mwl_softc *sc, uint8_t annex, uint8_t index)
1289 {
1290         HostCmd_FW_GET_CALTABLE *pCmd;
1291         int retval;
1292 
1293         _CMD_SETUP(pCmd, HostCmd_FW_GET_CALTABLE, HostCmd_CMD_GET_CALTABLE);
1294         pCmd->annex = annex;
1295         pCmd->index = index;
1296         (void) memset(pCmd->calTbl, 0, sizeof (pCmd->calTbl));
1297 
1298         retval = mwlExecuteCmd(sc, HostCmd_CMD_GET_CALTABLE);
1299         if (retval == 0 &&
1300             pCmd->calTbl[0] != annex && annex != 0 && annex != 255)
1301                 retval = EIO;
1302         return (retval);
1303 }
1304 
1305 /*
1306  * Construct channel info for 2.4GHz channels from cal data.
1307  */
1308 static void
1309 get2Ghz(MWL_HAL_CHANNELINFO *ci, const uint8_t table[], int len)
1310 {
1311         int i, j;
1312 
1313         j = 0;
1314         for (i = 0; i < len; i += 4) {
1315                 struct mwl_hal_channel *hc = &ci->channels[j];
1316                 hc->ieee = 1+j;
1317                 hc->freq = ieee2mhz(1+j);
1318                 (void) memcpy(hc->targetPowers, &table[i], 4);
1319                 setmaxtxpow(hc, 0, 4);
1320                 j++;
1321         }
1322         ci->nchannels = j;
1323         ci->freqLow = ieee2mhz(1);
1324         ci->freqHigh = ieee2mhz(j);
1325 }
1326 
1327 /*
1328  * Construct channel info for 5GHz channels from cal data.
1329  */
1330 static void
1331 get5Ghz(MWL_HAL_CHANNELINFO *ci, const uint8_t table[], int len)
1332 {
1333         int i, j, f, l, h;
1334 
1335         l = 32000;
1336         h = 0;
1337         j = 0;
1338         for (i = 0; i < len; i += 4) {
1339                 struct mwl_hal_channel *hc;
1340 
1341                 if (table[i] == 0)
1342                         continue;
1343                 f = 5000 + 5*table[i];
1344                 if (f < l)
1345                         l = f;
1346                 if (f > h)
1347                         h = f;
1348                 hc = &ci->channels[j];
1349                 hc->freq = (uint16_t)f;
1350                 hc->ieee = table[i];
1351                 (void) memcpy(hc->targetPowers, &table[i], 4);
1352                 setmaxtxpow(hc, 1, 4);  /* NB: col 1 is the freq, skip */
1353                 j++;
1354         }
1355         ci->nchannels = j;
1356         ci->freqLow = (uint16_t)((l == 32000) ? 0 : l);
1357         ci->freqHigh = (uint16_t)h;
1358 }
1359 
1360 /*
1361  * Calculate the max tx power from the channel's cal data.
1362  */
1363 static void
1364 setmaxtxpow(struct mwl_hal_channel *hc, int i, int maxix)
1365 {
1366         hc->maxTxPow = hc->targetPowers[i];
1367         for (i++; i < maxix; i++)
1368                 if (hc->targetPowers[i] > hc->maxTxPow)
1369                         hc->maxTxPow = hc->targetPowers[i];
1370 }
1371 
1372 static uint16_t
1373 ieee2mhz(int chan)
1374 {
1375         if (chan == 14)
1376                 return (2484);
1377         if (chan < 14)
1378                 return (2407 + chan * 5);
1379         return (2512 + (chan - 15) * 20);
1380 }
1381 
1382 static void
1383 dumpcaldata(const char *name, const uint8_t *table, int n)
1384 {
1385         int i;
1386         MWL_DBG(MWL_DBG_HW, "\n%s:\n", name);
1387         for (i = 0; i < n; i += 4)
1388                 MWL_DBG(MWL_DBG_HW, "[%2d] %3d %3d %3d %3d\n",
1389                     i/4, table[i+0], table[i+1], table[i+2], table[i+3]);
1390 }
1391 
1392 static int
1393 mwlGetPwrCalTable(struct mwl_softc *sc)
1394 {
1395         const uint8_t *data;
1396         MWL_HAL_CHANNELINFO *ci;
1397         int len;
1398 
1399         /* NB: we hold the lock so it's ok to use cmdbuf */
1400         data = ((const HostCmd_FW_GET_CALTABLE *) sc->sc_cmd_mem)->calTbl;
1401         if (mwlGetCalTable(sc, 33, 0) == 0) {
1402                 len = (data[2] | (data[3] << 8)) - 12;
1403                 if (len > PWTAGETRATETABLE20M)
1404                         len = PWTAGETRATETABLE20M;
1405                 dumpcaldata("2.4G 20M", &data[12], len);
1406                 get2Ghz(&sc->sc_20M, &data[12], len);
1407         }
1408         if (mwlGetCalTable(sc, 34, 0) == 0) {
1409                 len = (data[2] | (data[3] << 8)) - 12;
1410                 if (len > PWTAGETRATETABLE40M)
1411                         len = PWTAGETRATETABLE40M;
1412                 dumpcaldata("2.4G 40M", &data[12], len);
1413                 ci = &sc->sc_40M;
1414                 get2Ghz(ci, &data[12], len);
1415         }
1416         if (mwlGetCalTable(sc, 35, 0) == 0) {
1417                 len = (data[2] | (data[3] << 8)) - 20;
1418                 if (len > PWTAGETRATETABLE20M_5G)
1419                         len = PWTAGETRATETABLE20M_5G;
1420                 dumpcaldata("5G 20M", &data[20], len);
1421                 get5Ghz(&sc->sc_20M_5G, &data[20], len);
1422         }
1423         if (mwlGetCalTable(sc, 36, 0) == 0) {
1424                 len = (data[2] | (data[3] << 8)) - 20;
1425                 if (len > PWTAGETRATETABLE40M_5G)
1426                         len = PWTAGETRATETABLE40M_5G;
1427                 dumpcaldata("5G 40M", &data[20], len);
1428                 ci = &sc->sc_40M_5G;
1429                 get5Ghz(ci, &data[20], len);
1430         }
1431         sc->sc_hw_flags |= MHF_CALDATA;
1432         return (0);
1433 }
1434 
1435 /*
1436  * Reset internal state after a firmware download.
1437  */
1438 static int
1439 mwlResetHalState(struct mwl_softc *sc)
1440 {
1441         int err = 0;
1442 
1443         /*
1444          * Fetch cal data for later use.
1445          * XXX may want to fetch other stuff too.
1446          */
1447         /* XXX check return */
1448         if ((sc->sc_hw_flags & MHF_CALDATA) == 0)
1449                 err = mwlGetPwrCalTable(sc);
1450         return (err);
1451 }
1452 
1453 #define IEEE80211_CHAN_HTG      (IEEE80211_CHAN_HT|IEEE80211_CHAN_G)
1454 #define IEEE80211_CHAN_HTA      (IEEE80211_CHAN_HT|IEEE80211_CHAN_A)
1455 
1456 static void
1457 addchan(struct mwl_channel *c, int freq, int flags, int ieee, int txpow)
1458 {
1459         c->ic_freq = (uint16_t)freq;
1460         c->ic_flags = flags;
1461         c->ic_ieee = (uint8_t)ieee;
1462         c->ic_minpower = 0;
1463         c->ic_maxpower = 2*txpow;
1464         c->ic_maxregpower = (uint8_t)txpow;
1465 }
1466 
1467 static const struct mwl_channel *
1468 findchannel(const struct mwl_channel chans[], int nchans,
1469         int freq, int flags)
1470 {
1471         const struct mwl_channel *c;
1472         int i;
1473 
1474         for (i = 0; i < nchans; i++) {
1475                 c = &chans[i];
1476                 if (c->ic_freq == freq && c->ic_flags == flags)
1477                         return (c);
1478         }
1479         return (NULL);
1480 }
1481 
1482 static void
1483 addht40channels(struct mwl_channel chans[], int maxchans, int *nchans,
1484         const MWL_HAL_CHANNELINFO *ci, int flags)
1485 {
1486         struct mwl_channel *c;
1487         const struct mwl_channel *extc;
1488         const struct mwl_hal_channel *hc;
1489         int i;
1490 
1491         c = &chans[*nchans];
1492 
1493         flags &= ~IEEE80211_CHAN_HT;
1494         for (i = 0; i < ci->nchannels; i++) {
1495                 /*
1496                  * Each entry defines an HT40 channel pair; find the
1497                  * extension channel above and the insert the pair.
1498                  */
1499                 hc = &ci->channels[i];
1500                 extc = findchannel(chans, *nchans, hc->freq+20,
1501                     flags | IEEE80211_CHAN_HT20);
1502                 if (extc != NULL) {
1503                         if (*nchans >= maxchans)
1504                                 break;
1505                         addchan(c, hc->freq, flags | IEEE80211_CHAN_HT40U,
1506                             hc->ieee, hc->maxTxPow);
1507                         c->ic_extieee = extc->ic_ieee;
1508                         c++, (*nchans)++;
1509                         if (*nchans >= maxchans)
1510                                 break;
1511                         addchan(c, extc->ic_freq, flags | IEEE80211_CHAN_HT40D,
1512                             extc->ic_ieee, hc->maxTxPow);
1513                         c->ic_extieee = hc->ieee;
1514                         c++, (*nchans)++;
1515                 }
1516         }
1517 }
1518 
1519 static void
1520 addchannels(struct mwl_channel chans[], int maxchans, int *nchans,
1521         const MWL_HAL_CHANNELINFO *ci, int flags)
1522 {
1523         struct mwl_channel *c;
1524         int i;
1525 
1526         c = &chans[*nchans];
1527 
1528         for (i = 0; i < ci->nchannels; i++) {
1529                 const struct mwl_hal_channel *hc;
1530 
1531                 hc = &ci->channels[i];
1532                 if (*nchans >= maxchans)
1533                         break;
1534                 addchan(c, hc->freq, flags, hc->ieee, hc->maxTxPow);
1535                 c++, (*nchans)++;
1536 
1537                 if (flags == IEEE80211_CHAN_G || flags == IEEE80211_CHAN_HTG) {
1538                         /* g channel have a separate b-only entry */
1539                         if (*nchans >= maxchans)
1540                                 break;
1541                         c[0] = c[-1];
1542                         c[-1].ic_flags = IEEE80211_CHAN_B;
1543                         c++, (*nchans)++;
1544                 }
1545                 if (flags == IEEE80211_CHAN_HTG) {
1546                         /* HT g channel have a separate g-only entry */
1547                         if (*nchans >= maxchans)
1548                                 break;
1549                         c[-1].ic_flags = IEEE80211_CHAN_G;
1550                         c[0] = c[-1];
1551                         c[0].ic_flags &= ~IEEE80211_CHAN_HT;
1552                         c[0].ic_flags |= IEEE80211_CHAN_HT20;   /* HT20 */
1553                         c++, (*nchans)++;
1554                 }
1555                 if (flags == IEEE80211_CHAN_HTA) {
1556                         /* HT a channel have a separate a-only entry */
1557                         if (*nchans >= maxchans)
1558                                 break;
1559                         c[-1].ic_flags = IEEE80211_CHAN_A;
1560                         c[0] = c[-1];
1561                         c[0].ic_flags &= ~IEEE80211_CHAN_HT;
1562                         c[0].ic_flags |= IEEE80211_CHAN_HT20;   /* HT20 */
1563                         c++, (*nchans)++;
1564                 }
1565         }
1566 }
1567 
1568 static int
1569 mwl_hal_getchannelinfo(struct mwl_softc *sc, int band, int chw,
1570         const MWL_HAL_CHANNELINFO **ci)
1571 {
1572         switch (band) {
1573         case MWL_FREQ_BAND_2DOT4GHZ:
1574                 *ci = (chw == MWL_CH_20_MHz_WIDTH) ? &sc->sc_20M : &sc->sc_40M;
1575                 break;
1576         case MWL_FREQ_BAND_5GHZ:
1577                 *ci = (chw == MWL_CH_20_MHz_WIDTH) ?
1578                     &sc->sc_20M_5G : &sc->sc_40M_5G;
1579                 break;
1580         default:
1581                 return (EINVAL);
1582         }
1583         return (((*ci)->freqLow == (*ci)->freqHigh) ? EINVAL : 0);
1584 }
1585 
1586 static void
1587 getchannels(struct mwl_softc *sc, int maxchans, int *nchans,
1588         struct mwl_channel chans[])
1589 {
1590         const MWL_HAL_CHANNELINFO *ci;
1591 
1592         /*
1593          * Use the channel info from the hal to craft the
1594          * channel list.  Note that we pass back an unsorted
1595          * list; the caller is required to sort it for us
1596          * (if desired).
1597          */
1598         *nchans = 0;
1599         if (mwl_hal_getchannelinfo(sc,
1600             MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
1601                 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG);
1602         if (mwl_hal_getchannelinfo(sc,
1603             MWL_FREQ_BAND_5GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
1604                 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA);
1605         if (mwl_hal_getchannelinfo(sc,
1606             MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
1607                 addht40channels(chans, maxchans, nchans, ci,
1608                     IEEE80211_CHAN_HTG);
1609         if (mwl_hal_getchannelinfo(sc,
1610             MWL_FREQ_BAND_5GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
1611                 addht40channels(chans, maxchans, nchans, ci,
1612                     IEEE80211_CHAN_HTA);
1613 }
1614 
1615 static int
1616 mwl_getchannels(struct mwl_softc *sc)
1617 {
1618         /*
1619          * Use the channel info from the hal to craft the
1620          * channel list for net80211.  Note that we pass up
1621          * an unsorted list; net80211 will sort it for us.
1622          */
1623         (void) memset(sc->sc_channels, 0, sizeof (sc->sc_channels));
1624         sc->sc_nchans = 0;
1625         getchannels(sc, IEEE80211_CHAN_MAX, &sc->sc_nchans, sc->sc_channels);
1626 
1627         sc->sc_regdomain.regdomain = SKU_DEBUG;
1628         sc->sc_regdomain.country = CTRY_DEFAULT;
1629         sc->sc_regdomain.location = 'I';
1630         sc->sc_regdomain.isocc[0] = ' ';     /* XXX? */
1631         sc->sc_regdomain.isocc[1] = ' ';
1632         return (sc->sc_nchans == 0 ? EIO : 0);
1633 }
1634 
1635 #undef IEEE80211_CHAN_HTA
1636 #undef IEEE80211_CHAN_HTG
1637 
1638 /*
1639  * Return "hw specs".  Note this must be the first
1640  * cmd MUST be done after a firmware download or the
1641  * f/w will lockup.
1642  * XXX move into the hal so driver doesn't need to be responsible
1643  */
1644 static int
1645 mwl_gethwspecs(struct mwl_softc *sc)
1646 {
1647         struct mwl_hal_hwspec *hw;
1648         HostCmd_DS_GET_HW_SPEC *pCmd;
1649         int retval;
1650 
1651         hw = &sc->sc_hwspecs;
1652         _CMD_SETUP(pCmd, HostCmd_DS_GET_HW_SPEC, HostCmd_CMD_GET_HW_SPEC);
1653         (void) memset(&pCmd->PermanentAddr[0], 0xff, IEEE80211_ADDR_LEN);
1654         pCmd->ulFwAwakeCookie = LE_32((unsigned int)sc->sc_cmd_dmaaddr + 2048);
1655 
1656         retval = mwlExecuteCmd(sc, HostCmd_CMD_GET_HW_SPEC);
1657         if (retval == 0) {
1658                 IEEE80211_ADDR_COPY(hw->macAddr, pCmd->PermanentAddr);
1659                 hw->wcbBase[0] = LE_32(pCmd->WcbBase0) & 0x0000ffff;
1660                 hw->wcbBase[1] = LE_32(pCmd->WcbBase1[0]) & 0x0000ffff;
1661                 hw->wcbBase[2] = LE_32(pCmd->WcbBase1[1]) & 0x0000ffff;
1662                 hw->wcbBase[3] = LE_32(pCmd->WcbBase1[2]) & 0x0000ffff;
1663                 hw->rxDescRead = LE_32(pCmd->RxPdRdPtr)& 0x0000ffff;
1664                 hw->rxDescWrite = LE_32(pCmd->RxPdWrPtr)& 0x0000ffff;
1665                 hw->regionCode = LE_16(pCmd->RegionCode) & 0x00ff;
1666                 hw->fwReleaseNumber = LE_32(pCmd->FWReleaseNumber);
1667                 hw->maxNumWCB = LE_16(pCmd->NumOfWCB);
1668                 hw->maxNumMCAddr = LE_16(pCmd->NumOfMCastAddr);
1669                 hw->numAntennas = LE_16(pCmd->NumberOfAntenna);
1670                 hw->hwVersion = pCmd->Version;
1671                 hw->hostInterface = pCmd->HostIf;
1672 
1673                 sc->sc_revs.mh_macRev = hw->hwVersion;            /* XXX */
1674                 sc->sc_revs.mh_phyRev = hw->hostInterface;        /* XXX */
1675         }
1676 
1677         return (retval);
1678 }
1679 
1680 static int
1681 mwl_hal_setmac_locked(struct mwl_softc *sc,
1682         const uint8_t addr[IEEE80211_ADDR_LEN])
1683 {
1684         HostCmd_DS_SET_MAC *pCmd;
1685 
1686         _VCMD_SETUP(pCmd, HostCmd_DS_SET_MAC, HostCmd_CMD_SET_MAC_ADDR);
1687         IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], addr);
1688 #ifdef MWL_MBSS_SUPPORT
1689         /* NB: already byte swapped */
1690         pCmd->MacType = WL_MAC_TYPE_PRIMARY_CLIENT;
1691 #endif
1692         return (mwlExecuteCmd(sc, HostCmd_CMD_SET_MAC_ADDR));
1693 }
1694 
1695 static void
1696 cvtPeerInfo(PeerInfo_t *to, const MWL_HAL_PEERINFO *from)
1697 {
1698         to->LegacyRateBitMap = LE_32(from->LegacyRateBitMap);
1699         to->HTRateBitMap = LE_32(from->HTRateBitMap);
1700         to->CapInfo = LE_16(from->CapInfo);
1701         to->HTCapabilitiesInfo = LE_16(from->HTCapabilitiesInfo);
1702         to->MacHTParamInfo = from->MacHTParamInfo;
1703         to->AddHtInfo.ControlChan = from->AddHtInfo.ControlChan;
1704         to->AddHtInfo.AddChan = from->AddHtInfo.AddChan;
1705         to->AddHtInfo.OpMode = LE_16(from->AddHtInfo.OpMode);
1706         to->AddHtInfo.stbc = LE_16(from->AddHtInfo.stbc);
1707 }
1708 
1709 /* XXX station id must be in [0..63] */
1710 static int
1711 mwl_hal_newstation(struct mwl_softc *sc,
1712         const uint8_t addr[IEEE80211_ADDR_LEN], uint16_t aid, uint16_t sid,
1713         const MWL_HAL_PEERINFO *peer, int isQosSta, int wmeInfo)
1714 {
1715         HostCmd_FW_SET_NEW_STN *pCmd;
1716         int retval;
1717 
1718         _VCMD_SETUP(pCmd, HostCmd_FW_SET_NEW_STN, HostCmd_CMD_SET_NEW_STN);
1719         pCmd->AID = LE_16(aid);
1720         pCmd->StnId = LE_16(sid);
1721         pCmd->Action = LE_16(0);     /* SET */
1722         if (peer != NULL) {
1723                 /* NB: must fix up byte order */
1724                 cvtPeerInfo(&pCmd->PeerInfo, peer);
1725         }
1726         IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], addr);
1727         pCmd->Qosinfo = (uint8_t)wmeInfo;
1728         pCmd->isQosSta = (isQosSta != 0);
1729 
1730         MWL_DBG(MWL_DBG_HW, "mwl: mwl_hal_newstation(): "
1731             "LegacyRateBitMap %x, CapInfo %x\n",
1732             pCmd->PeerInfo.LegacyRateBitMap, pCmd->PeerInfo.CapInfo);
1733 
1734         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_NEW_STN);
1735         return (retval);
1736 }
1737 
1738 /*
1739  * Configure antenna use.
1740  * Takes effect immediately.
1741  * XXX tx antenna setting ignored
1742  * XXX rx antenna setting should always be 3 (for now)
1743  */
1744 static int
1745 mwl_hal_setantenna(struct mwl_softc *sc, MWL_HAL_ANTENNA dirSet, int ant)
1746 {
1747         HostCmd_DS_802_11_RF_ANTENNA *pCmd;
1748         int retval;
1749 
1750         if (!(dirSet == WL_ANTENNATYPE_RX || dirSet == WL_ANTENNATYPE_TX))
1751                 return (EINVAL);
1752 
1753         _CMD_SETUP(pCmd, HostCmd_DS_802_11_RF_ANTENNA,
1754             HostCmd_CMD_802_11_RF_ANTENNA);
1755         pCmd->Action = LE_16(dirSet);
1756         if (ant == 0)                   /* default to all/both antennae */
1757                 ant = 3;
1758         pCmd->AntennaMode = LE_16(ant);
1759 
1760         retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RF_ANTENNA);
1761         return (retval);
1762 }
1763 
1764 /*
1765  * Configure radio.
1766  * Takes effect immediately.
1767  * XXX preamble installed after set fixed rate cmd
1768  */
1769 static int
1770 mwl_hal_setradio(struct mwl_softc *sc, int onoff, MWL_HAL_PREAMBLE preamble)
1771 {
1772         HostCmd_DS_802_11_RADIO_CONTROL *pCmd;
1773         int retval;
1774 
1775         _CMD_SETUP(pCmd, HostCmd_DS_802_11_RADIO_CONTROL,
1776             HostCmd_CMD_802_11_RADIO_CONTROL);
1777         pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1778         if (onoff == 0)
1779                 pCmd->Control = 0;
1780         else
1781                 pCmd->Control = LE_16(preamble);
1782         pCmd->RadioOn = LE_16(onoff);
1783 
1784         retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RADIO_CONTROL);
1785         return (retval);
1786 }
1787 
1788 static int
1789 mwl_hal_setwmm(struct mwl_softc *sc, int onoff)
1790 {
1791         HostCmd_FW_SetWMMMode *pCmd;
1792         int retval;
1793 
1794         _CMD_SETUP(pCmd, HostCmd_FW_SetWMMMode,
1795             HostCmd_CMD_SET_WMM_MODE);
1796         pCmd->Action = LE_16(onoff);
1797 
1798         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_WMM_MODE);
1799         return (retval);
1800 }
1801 
1802 /*
1803  * Convert public channel flags definition to a
1804  * value suitable for feeding to the firmware.
1805  * Note this includes byte swapping.
1806  */
1807 static uint32_t
1808 cvtChannelFlags(const MWL_HAL_CHANNEL *chan)
1809 {
1810         uint32_t w;
1811 
1812         /*
1813          * NB: f/w only understands FREQ_BAND_5GHZ, supplying the more
1814          * precise band info causes it to lockup (sometimes).
1815          */
1816         w = (chan->channelFlags.FreqBand == MWL_FREQ_BAND_2DOT4GHZ) ?
1817             FREQ_BAND_2DOT4GHZ : FREQ_BAND_5GHZ;
1818         switch (chan->channelFlags.ChnlWidth) {
1819         case MWL_CH_10_MHz_WIDTH:
1820                 w |= CH_10_MHz_WIDTH;
1821                 break;
1822         case MWL_CH_20_MHz_WIDTH:
1823                 w |= CH_20_MHz_WIDTH;
1824                 break;
1825         case MWL_CH_40_MHz_WIDTH:
1826         default:
1827                 w |= CH_40_MHz_WIDTH;
1828                 break;
1829         }
1830         switch (chan->channelFlags.ExtChnlOffset) {
1831         case MWL_EXT_CH_NONE:
1832                 w |= EXT_CH_NONE;
1833                 break;
1834         case MWL_EXT_CH_ABOVE_CTRL_CH:
1835                 w |= EXT_CH_ABOVE_CTRL_CH;
1836                 break;
1837         case MWL_EXT_CH_BELOW_CTRL_CH:
1838                 w |= EXT_CH_BELOW_CTRL_CH;
1839                 break;
1840         }
1841         return (LE_32(w));
1842 }
1843 
1844 static int
1845 mwl_hal_setchannel(struct mwl_softc *sc, const MWL_HAL_CHANNEL *chan)
1846 {
1847         HostCmd_FW_SET_RF_CHANNEL *pCmd;
1848         int retval;
1849 
1850         _CMD_SETUP(pCmd, HostCmd_FW_SET_RF_CHANNEL, HostCmd_CMD_SET_RF_CHANNEL);
1851         pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1852         pCmd->CurrentChannel = chan->channel;
1853         pCmd->ChannelFlags = cvtChannelFlags(chan);  /* NB: byte-swapped */
1854 
1855         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_RF_CHANNEL);
1856         return (retval);
1857 }
1858 
1859 static int
1860 mwl_hal_settxpower(struct mwl_softc *sc,
1861     const MWL_HAL_CHANNEL *c, uint8_t maxtxpow)
1862 {
1863         HostCmd_DS_802_11_RF_TX_POWER *pCmd;
1864         const struct mwl_hal_channel *hc;
1865         int i = 0, retval;
1866 
1867         hc = findhalchannel(sc, c);
1868         if (hc == NULL) {
1869                 /* XXX temp while testing */
1870                 MWL_DBG(MWL_DBG_HW, "mwl: mwl_hal_settxpower(): "
1871                     "no cal data for channel %u band %u width %u ext %u\n",
1872                     c->channel, c->channelFlags.FreqBand,
1873                     c->channelFlags.ChnlWidth, c->channelFlags.ExtChnlOffset);
1874                 return (EINVAL);
1875         }
1876 
1877         _CMD_SETUP(pCmd, HostCmd_DS_802_11_RF_TX_POWER,
1878             HostCmd_CMD_802_11_RF_TX_POWER);
1879         pCmd->Action = LE_16(HostCmd_ACT_GEN_SET_LIST);
1880         /* NB: 5Ghz cal data have the channel # in [0]; don't truncate */
1881         if (c->channelFlags.FreqBand == MWL_FREQ_BAND_5GHZ)
1882                 pCmd->PowerLevelList[i++] = LE_16(hc->targetPowers[0]);
1883         for (; i < 4; i++) {
1884                 uint16_t pow = hc->targetPowers[i];
1885                 if (pow > maxtxpow)
1886                         pow = maxtxpow;
1887                 pCmd->PowerLevelList[i] = LE_16(pow);
1888         }
1889         retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RF_TX_POWER);
1890         return (retval);
1891 }
1892 
1893 #define RATEVAL(r)      ((r) &~ RATE_MCS)
1894 #define RATETYPE(r)     (((r) & RATE_MCS) ? HT_RATE_TYPE : LEGACY_RATE_TYPE)
1895 
1896 static int
1897 mwl_hal_settxrate(struct mwl_softc *sc, MWL_HAL_TXRATE_HANDLING handling,
1898         const MWL_HAL_TXRATE *rate)
1899 {
1900         HostCmd_FW_USE_FIXED_RATE *pCmd;
1901         FIXED_RATE_ENTRY *fp;
1902         int retval, i, n;
1903 
1904         _VCMD_SETUP(pCmd, HostCmd_FW_USE_FIXED_RATE,
1905             HostCmd_CMD_SET_FIXED_RATE);
1906 
1907         pCmd->MulticastRate = RATEVAL(rate->McastRate);
1908         pCmd->MultiRateTxType = RATETYPE(rate->McastRate);
1909         /* NB: no rate type field */
1910         pCmd->ManagementRate = RATEVAL(rate->MgtRate);
1911         (void) memset(pCmd->FixedRateTable, 0, sizeof (pCmd->FixedRateTable));
1912         if (handling == RATE_FIXED) {
1913                 pCmd->Action = LE_32(HostCmd_ACT_GEN_SET);
1914                 pCmd->AllowRateDrop = LE_32(FIXED_RATE_WITHOUT_AUTORATE_DROP);
1915                 fp = pCmd->FixedRateTable;
1916                 fp->FixedRate =
1917                     LE_32(RATEVAL(rate->RateSeries[0].Rate));
1918                 fp->FixRateTypeFlags.FixRateType =
1919                     LE_32(RATETYPE(rate->RateSeries[0].Rate));
1920                 pCmd->EntryCount = LE_32(1);
1921         } else if (handling == RATE_FIXED_DROP) {
1922                 pCmd->Action = LE_32(HostCmd_ACT_GEN_SET);
1923                 pCmd->AllowRateDrop = LE_32(FIXED_RATE_WITH_AUTO_RATE_DROP);
1924                 n = 0;
1925                 fp = pCmd->FixedRateTable;
1926                 for (i = 0; i < 4; i++) {
1927                         if (rate->RateSeries[0].TryCount == 0)
1928                                 break;
1929                         fp->FixRateTypeFlags.FixRateType =
1930                             LE_32(RATETYPE(rate->RateSeries[i].Rate));
1931                         fp->FixedRate =
1932                             LE_32(RATEVAL(rate->RateSeries[i].Rate));
1933                         fp->FixRateTypeFlags.RetryCountValid =
1934                             LE_32(RETRY_COUNT_VALID);
1935                         fp->RetryCount =
1936                             LE_32(rate->RateSeries[i].TryCount-1);
1937                         n++;
1938                 }
1939                 pCmd->EntryCount = LE_32(n);
1940         } else
1941                 pCmd->Action = LE_32(HostCmd_ACT_NOT_USE_FIXED_RATE);
1942 
1943         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_FIXED_RATE);
1944         return (retval);
1945 }
1946 
1947 static int
1948 mwl_hal_settxrate_auto(struct mwl_softc *sc, const MWL_HAL_TXRATE *rate)
1949 {
1950         HostCmd_FW_USE_FIXED_RATE *pCmd;
1951         int retval;
1952 
1953         _CMD_SETUP(pCmd, HostCmd_FW_USE_FIXED_RATE,
1954             HostCmd_CMD_SET_FIXED_RATE);
1955 
1956         pCmd->MulticastRate = RATEVAL(rate->McastRate);
1957         pCmd->MultiRateTxType = RATETYPE(rate->McastRate);
1958         /* NB: no rate type field */
1959         pCmd->ManagementRate = RATEVAL(rate->MgtRate);
1960         (void) memset(pCmd->FixedRateTable, 0, sizeof (pCmd->FixedRateTable));
1961         pCmd->Action = LE_32(HostCmd_ACT_NOT_USE_FIXED_RATE);
1962 
1963         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_FIXED_RATE);
1964         return (retval);
1965 }
1966 
1967 #undef RATEVAL
1968 #undef RATETYPE
1969 
1970 /* XXX 0 = indoor, 1 = outdoor */
1971 static int
1972 mwl_hal_setrateadaptmode(struct mwl_softc *sc, uint16_t mode)
1973 {
1974         HostCmd_DS_SET_RATE_ADAPT_MODE *pCmd;
1975         int retval;
1976 
1977         _CMD_SETUP(pCmd, HostCmd_DS_SET_RATE_ADAPT_MODE,
1978             HostCmd_CMD_SET_RATE_ADAPT_MODE);
1979         pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
1980         pCmd->RateAdaptMode = LE_16(mode);
1981 
1982         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_RATE_ADAPT_MODE);
1983         return (retval);
1984 }
1985 
1986 static int
1987 mwl_hal_setoptimizationlevel(struct mwl_softc *sc, int level)
1988 {
1989         HostCmd_FW_SET_OPTIMIZATION_LEVEL *pCmd;
1990         int retval;
1991 
1992         _CMD_SETUP(pCmd, HostCmd_FW_SET_OPTIMIZATION_LEVEL,
1993             HostCmd_CMD_SET_OPTIMIZATION_LEVEL);
1994         pCmd->OptLevel = (uint8_t)level;
1995 
1996         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_OPTIMIZATION_LEVEL);
1997         return (retval);
1998 }
1999 
2000 /*
2001  * Set the region code that selects the radar bin'ing agorithm.
2002  */
2003 static int
2004 mwl_hal_setregioncode(struct mwl_softc *sc, int regionCode)
2005 {
2006         HostCmd_SET_REGIONCODE_INFO *pCmd;
2007         int retval;
2008 
2009         _CMD_SETUP(pCmd, HostCmd_SET_REGIONCODE_INFO,
2010             HostCmd_CMD_SET_REGION_CODE);
2011         /* XXX map pseudo-codes to fw codes */
2012         switch (regionCode) {
2013         case DOMAIN_CODE_ETSI_131:
2014                 pCmd->regionCode = LE_16(DOMAIN_CODE_ETSI);
2015                 break;
2016         default:
2017                 pCmd->regionCode = LE_16(regionCode);
2018                 break;
2019         }
2020 
2021         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_REGION_CODE);
2022         return (retval);
2023 }
2024 
2025 static int
2026 mwl_hal_setassocid(struct mwl_softc *sc,
2027         const uint8_t bssId[IEEE80211_ADDR_LEN], uint16_t assocId)
2028 {
2029         HostCmd_FW_SET_AID *pCmd = (HostCmd_FW_SET_AID *) &sc->sc_cmd_mem[0];
2030         int retval;
2031 
2032         _VCMD_SETUP(pCmd, HostCmd_FW_SET_AID, HostCmd_CMD_SET_AID);
2033         pCmd->AssocID = LE_16(assocId);
2034         IEEE80211_ADDR_COPY(&pCmd->MacAddr[0], bssId);
2035 
2036         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_AID);
2037         return (retval);
2038 }
2039 
2040 /*
2041  * Inform firmware of tx rate parameters.  Called whenever
2042  * user-settable params change and after a channel change.
2043  */
2044 static int
2045 mwl_setrates(struct ieee80211com *ic)
2046 {
2047         struct mwl_softc *sc = (struct mwl_softc *)ic;
2048         MWL_HAL_TXRATE rates;
2049 
2050         const struct ieee80211_rateset *rs;
2051         rs = &ic->ic_bss->in_rates;
2052 
2053         /*
2054          * Update the h/w rate map.
2055          * NB: 0x80 for MCS is passed through unchanged
2056          */
2057         (void) memset(&rates, 0, sizeof (rates));
2058         /* rate used to send management frames */
2059         rates.MgtRate = rs->ir_rates[0] & IEEE80211_RATE_VAL;
2060         /* rate used to send multicast frames */
2061         rates.McastRate = rates.MgtRate;
2062 
2063         return (mwl_hal_settxrate(sc, RATE_AUTO, &rates));
2064 }
2065 
2066 /*
2067  * Set packet size threshold for implicit use of RTS.
2068  * Takes effect immediately.
2069  * XXX packet length > threshold =>'s RTS
2070  */
2071 static int
2072 mwl_hal_setrtsthreshold(struct mwl_softc *sc, int threshold)
2073 {
2074         HostCmd_DS_802_11_RTS_THSD *pCmd;
2075         int retval;
2076 
2077         _VCMD_SETUP(pCmd, HostCmd_DS_802_11_RTS_THSD,
2078             HostCmd_CMD_802_11_RTS_THSD);
2079         pCmd->Action  = LE_16(HostCmd_ACT_GEN_SET);
2080         pCmd->Threshold = LE_16(threshold);
2081 
2082         retval = mwlExecuteCmd(sc, HostCmd_CMD_802_11_RTS_THSD);
2083         return (retval);
2084 }
2085 
2086 static int
2087 mwl_hal_setcsmode(struct mwl_softc *sc, MWL_HAL_CSMODE csmode)
2088 {
2089         HostCmd_DS_SET_LINKADAPT_CS_MODE *pCmd;
2090         int retval;
2091 
2092         _CMD_SETUP(pCmd, HostCmd_DS_SET_LINKADAPT_CS_MODE,
2093             HostCmd_CMD_SET_LINKADAPT_CS_MODE);
2094         pCmd->Action = LE_16(HostCmd_ACT_GEN_SET);
2095         pCmd->CSMode = LE_16(csmode);
2096 
2097         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_LINKADAPT_CS_MODE);
2098         return (retval);
2099 }
2100 
2101 static int
2102 mwl_hal_setpromisc(struct mwl_softc *sc, int ena)
2103 {
2104         uint32_t v;
2105 
2106         v = mwl_ctl_read4(sc, MACREG_REG_PROMISCUOUS);
2107         mwl_ctl_write4(sc, MACREG_REG_PROMISCUOUS, ena ? v | 1 : v & ~1);
2108 
2109         return (0);
2110 }
2111 
2112 static int
2113 mwl_hal_start(struct mwl_softc *sc)
2114 {
2115         HostCmd_DS_BSS_START *pCmd;
2116         int retval;
2117 
2118         _VCMD_SETUP(pCmd, HostCmd_DS_BSS_START, HostCmd_CMD_BSS_START);
2119         pCmd->Enable = LE_32(HostCmd_ACT_GEN_ON);
2120 
2121         retval = mwlExecuteCmd(sc, HostCmd_CMD_BSS_START);
2122         return (retval);
2123 }
2124 
2125 /*
2126  * Enable sta-mode operation (disables beacon frame xmit).
2127  */
2128 static int
2129 mwl_hal_setinframode(struct mwl_softc *sc)
2130 {
2131         HostCmd_FW_SET_INFRA_MODE *pCmd;
2132         int retval;
2133 
2134         _VCMD_SETUP(pCmd, HostCmd_FW_SET_INFRA_MODE,
2135             HostCmd_CMD_SET_INFRA_MODE);
2136 
2137         retval = mwlExecuteCmd(sc, HostCmd_CMD_SET_INFRA_MODE);
2138         return (retval);
2139 }
2140 
2141 static int
2142 mwl_hal_stop(struct mwl_softc *sc)
2143 {
2144         HostCmd_DS_BSS_START *pCmd;
2145         int retval;
2146 
2147         _VCMD_SETUP(pCmd, HostCmd_DS_BSS_START,
2148             HostCmd_CMD_BSS_START);
2149         pCmd->Enable = LE_32(HostCmd_ACT_GEN_OFF);
2150         retval = mwlExecuteCmd(sc, HostCmd_CMD_BSS_START);
2151 
2152         return (retval);
2153 }
2154 
2155 static int
2156 mwl_hal_keyset(struct mwl_softc *sc, const MWL_HAL_KEYVAL *kv,
2157         const uint8_t mac[IEEE80211_ADDR_LEN])
2158 {
2159         HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY *pCmd;
2160         int retval;
2161 
2162         _VCMD_SETUP(pCmd, HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY,
2163             HostCmd_CMD_UPDATE_ENCRYPTION);
2164         if (kv->keyFlags & (KEY_FLAG_TXGROUPKEY|KEY_FLAG_RXGROUPKEY))
2165                 pCmd->ActionType = LE_32(EncrActionTypeSetGroupKey);
2166         else
2167                 pCmd->ActionType = LE_32(EncrActionTypeSetKey);
2168         pCmd->KeyParam.Length = LE_16(sizeof (pCmd->KeyParam));
2169         pCmd->KeyParam.KeyTypeId = LE_16(kv->keyTypeId);
2170         pCmd->KeyParam.KeyInfo = LE_32(kv->keyFlags);
2171         pCmd->KeyParam.KeyIndex = LE_32(kv->keyIndex);
2172         /* NB: includes TKIP MIC keys */
2173         (void) memcpy(&pCmd->KeyParam.Key, &kv->key, kv->keyLen);
2174         switch (kv->keyTypeId) {
2175         case KEY_TYPE_ID_WEP:
2176                 pCmd->KeyParam.KeyLen = LE_16(kv->keyLen);
2177                 break;
2178         case KEY_TYPE_ID_TKIP:
2179                 pCmd->KeyParam.KeyLen = LE_16(sizeof (TKIP_TYPE_KEY));
2180                 pCmd->KeyParam.Key.TkipKey.TkipRsc.low =
2181                     LE_16(kv->key.tkip.rsc.low);
2182                 pCmd->KeyParam.Key.TkipKey.TkipRsc.high =
2183                     LE_32(kv->key.tkip.rsc.high);
2184                 pCmd->KeyParam.Key.TkipKey.TkipTsc.low =
2185                     LE_16(kv->key.tkip.tsc.low);
2186                 pCmd->KeyParam.Key.TkipKey.TkipTsc.high =
2187                     LE_32(kv->key.tkip.tsc.high);
2188                 break;
2189         case KEY_TYPE_ID_AES:
2190                 pCmd->KeyParam.KeyLen = LE_16(sizeof (AES_TYPE_KEY));
2191                 break;
2192         }
2193 #ifdef MWL_MBSS_SUPPORT
2194         IEEE80211_ADDR_COPY(pCmd->KeyParam.Macaddr, mac);
2195 #else
2196         IEEE80211_ADDR_COPY(pCmd->Macaddr, mac);
2197 #endif
2198 
2199         retval = mwlExecuteCmd(sc, HostCmd_CMD_UPDATE_ENCRYPTION);
2200         return (retval);
2201 }
2202 
2203 static int
2204 mwl_hal_keyreset(struct mwl_softc *sc, const MWL_HAL_KEYVAL *kv,
2205     const uint8_t mac[IEEE80211_ADDR_LEN])
2206 {
2207         HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY *pCmd;
2208         int retval;
2209 
2210         _VCMD_SETUP(pCmd, HostCmd_FW_UPDATE_ENCRYPTION_SET_KEY,
2211             HostCmd_CMD_UPDATE_ENCRYPTION);
2212         pCmd->ActionType = LE_16(EncrActionTypeRemoveKey);
2213         pCmd->KeyParam.Length = LE_16(sizeof (pCmd->KeyParam));
2214         pCmd->KeyParam.KeyTypeId = LE_16(kv->keyTypeId);
2215         pCmd->KeyParam.KeyInfo = LE_32(kv->keyFlags);
2216         pCmd->KeyParam.KeyIndex = LE_32(kv->keyIndex);
2217 #ifdef MWL_MBSS_SUPPORT
2218         IEEE80211_ADDR_COPY(pCmd->KeyParam.Macaddr, mac);
2219 #else
2220         IEEE80211_ADDR_COPY(pCmd->Macaddr, mac);
2221 #endif
2222         retval = mwlExecuteCmd(sc, HostCmd_CMD_UPDATE_ENCRYPTION);
2223         return (retval);
2224 }
2225 
2226 /* ARGSUSED */
2227 static struct ieee80211_node *
2228 mwl_node_alloc(struct ieee80211com *ic)
2229 {
2230         struct mwl_node *mn;
2231 
2232         mn = kmem_zalloc(sizeof (struct mwl_node), KM_SLEEP);
2233         if (mn == NULL) {
2234                 /* XXX stat+msg */
2235                 MWL_DBG(MWL_DBG_MSG, "mwl: mwl_node_alloc(): "
2236                     "alloc node failed\n");
2237                 return (NULL);
2238         }
2239         return (&mn->mn_node);
2240 }
2241 
2242 static void
2243 mwl_node_free(struct ieee80211_node *ni)
2244 {
2245         struct ieee80211com *ic = ni->in_ic;
2246         struct mwl_node *mn = MWL_NODE(ni);
2247 
2248         if (mn->mn_staid != 0) {
2249                 // mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr);
2250                 // delstaid(sc, mn->mn_staid);
2251                 mn->mn_staid = 0;
2252         }
2253         ic->ic_node_cleanup(ni);
2254         kmem_free(ni, sizeof (struct mwl_node));
2255 }
2256 
2257 /*
2258  * Allocate a key cache slot for a unicast key.  The
2259  * firmware handles key allocation and every station is
2260  * guaranteed key space so we are always successful.
2261  */
2262 static int
2263 mwl_key_alloc(struct ieee80211com *ic, const struct ieee80211_key *k,
2264         ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
2265 {
2266         if (k->wk_keyix != IEEE80211_KEYIX_NONE ||
2267             (k->wk_flags & IEEE80211_KEY_GROUP)) {
2268                 if (!(&ic->ic_nw_keys[0] <= k &&
2269                     k < &ic->ic_nw_keys[IEEE80211_WEP_NKID])) {
2270                         /* should not happen */
2271                         MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2272                             "bogus group key\n");
2273                         return (0);
2274                 }
2275                 /* give the caller what they requested */
2276                 *keyix = *rxkeyix = k - ic->ic_nw_keys;
2277                 MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2278                     "alloc GROUP key keyix %x, rxkeyix %x\n",
2279                     *keyix, *rxkeyix);
2280         } else {
2281                 /*
2282                  * Firmware handles key allocation.
2283                  */
2284                 *keyix = *rxkeyix = 0;
2285                 MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_alloc(): "
2286                     "reset key index in key allocation\n");
2287         }
2288 
2289         return (1);
2290 }
2291 
2292 /*
2293  * Delete a key entry allocated by mwl_key_alloc.
2294  */
2295 static int
2296 mwl_key_delete(struct ieee80211com *ic, const struct ieee80211_key *k)
2297 {
2298         struct mwl_softc *sc = (struct mwl_softc *)ic;
2299         MWL_HAL_KEYVAL hk;
2300         const uint8_t bcastaddr[IEEE80211_ADDR_LEN] =
2301             { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2302 
2303         (void) memset(&hk, 0, sizeof (hk));
2304         hk.keyIndex = k->wk_keyix;
2305         switch (k->wk_cipher->ic_cipher) {
2306         case IEEE80211_CIPHER_WEP:
2307                 hk.keyTypeId = KEY_TYPE_ID_WEP;
2308                 break;
2309         case IEEE80211_CIPHER_TKIP:
2310                 hk.keyTypeId = KEY_TYPE_ID_TKIP;
2311                 break;
2312         case IEEE80211_CIPHER_AES_CCM:
2313                 hk.keyTypeId = KEY_TYPE_ID_AES;
2314                 break;
2315         default:
2316                 /* XXX should not happen */
2317                 MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_delete(): "
2318                     "unknown cipher %d\n", k->wk_cipher->ic_cipher);
2319                 return (0);
2320         }
2321         return (mwl_hal_keyreset(sc, &hk, bcastaddr) == 0);
2322 }
2323 
2324 /*
2325  * Set the key cache contents for the specified key.  Key cache
2326  * slot(s) must already have been allocated by mwl_key_alloc.
2327  */
2328 /* ARGSUSED */
2329 static int
2330 mwl_key_set(struct ieee80211com *ic, const struct ieee80211_key *k,
2331         const uint8_t mac[IEEE80211_ADDR_LEN])
2332 {
2333 #define GRPXMIT (IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP)
2334 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */
2335 #define IEEE80211_IS_STATICKEY(k) \
2336         (((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \
2337         (GRPXMIT|IEEE80211_KEY_RECV))
2338         struct mwl_softc *sc = (struct mwl_softc *)ic;
2339         const struct ieee80211_cipher *cip = k->wk_cipher;
2340         const uint8_t *macaddr;
2341         MWL_HAL_KEYVAL hk;
2342 
2343         (void) memset(&hk, 0, sizeof (hk));
2344         hk.keyIndex = k->wk_keyix;
2345         switch (cip->ic_cipher) {
2346         case IEEE80211_CIPHER_WEP:
2347                 hk.keyTypeId = KEY_TYPE_ID_WEP;
2348                 hk.keyLen = k->wk_keylen;
2349                 if (k->wk_keyix == ic->ic_def_txkey)
2350                         hk.keyFlags = KEY_FLAG_WEP_TXKEY;
2351                 if (!IEEE80211_IS_STATICKEY(k)) {
2352                         /* NB: WEP is never used for the PTK */
2353                         (void) addgroupflags(&hk, k);
2354                 }
2355                 break;
2356         case IEEE80211_CIPHER_TKIP:
2357                 hk.keyTypeId = KEY_TYPE_ID_TKIP;
2358                 hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16);
2359                 hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc;
2360                 hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID;
2361                 hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE;
2362                 if (!addgroupflags(&hk, k))
2363                         hk.keyFlags |= KEY_FLAG_PAIRWISE;
2364                 break;
2365         case IEEE80211_CIPHER_AES_CCM:
2366                 hk.keyTypeId = KEY_TYPE_ID_AES;
2367                 hk.keyLen = k->wk_keylen;
2368                 if (!addgroupflags(&hk, k))
2369                         hk.keyFlags |= KEY_FLAG_PAIRWISE;
2370                 break;
2371         default:
2372                 /* XXX should not happen */
2373                 MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_key_set(): "
2374                     "unknown cipher %d\n",
2375                     k->wk_cipher->ic_cipher);
2376                 return (0);
2377         }
2378         /*
2379          * NB: tkip mic keys get copied here too; the layout
2380          * just happens to match that in ieee80211_key.
2381          */
2382         (void) memcpy(hk.key.aes, k->wk_key, hk.keyLen);
2383 
2384         /*
2385          * Locate address of sta db entry for writing key;
2386          * the convention unfortunately is somewhat different
2387          * than how net80211, hostapd, and wpa_supplicant think.
2388          */
2389 
2390         /*
2391          * NB: keys plumbed before the sta reaches AUTH state
2392          * will be discarded or written to the wrong sta db
2393          * entry because iv_bss is meaningless.  This is ok
2394          * (right now) because we handle deferred plumbing of
2395          * WEP keys when the sta reaches AUTH state.
2396          */
2397         macaddr = ic->ic_bss->in_bssid;
2398         if (k->wk_flags & IEEE80211_KEY_XMIT) {
2399                 /* XXX plumb to local sta db too for static key wep */
2400                 (void) mwl_hal_keyset(sc, &hk, ic->ic_macaddr);
2401         }
2402         return (mwl_hal_keyset(sc, &hk, macaddr) == 0);
2403 #undef IEEE80211_IS_STATICKEY
2404 #undef GRPXMIT
2405 }
2406 
2407 /*
2408  * Plumb any static WEP key for the station.  This is
2409  * necessary as we must propagate the key from the
2410  * global key table of the vap to each sta db entry.
2411  */
2412 static void
2413 mwl_setanywepkey(struct ieee80211com *ic, const uint8_t mac[IEEE80211_ADDR_LEN])
2414 {
2415         if ((ic->ic_flags & (IEEE80211_F_PRIVACY|IEEE80211_F_WPA)) ==
2416             IEEE80211_F_PRIVACY &&
2417             ic->ic_def_txkey != IEEE80211_KEYIX_NONE &&
2418             ic->ic_nw_keys[ic->ic_def_txkey].wk_keyix != IEEE80211_KEYIX_NONE)
2419                 (void) mwl_key_set(ic, &ic->ic_nw_keys[ic->ic_def_txkey], mac);
2420 }
2421 
2422 static void
2423 mwl_setglobalkeys(struct ieee80211com *ic)
2424 {
2425         struct ieee80211_key *wk;
2426 
2427         wk = &ic->ic_nw_keys[0];
2428         for (; wk < &ic->ic_nw_keys[IEEE80211_WEP_NKID]; wk++)
2429                 if (wk->wk_keyix != IEEE80211_KEYIX_NONE)
2430                         (void) mwl_key_set(ic, wk, ic->ic_macaddr);
2431 }
2432 
2433 static int
2434 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k)
2435 {
2436         if (k->wk_flags & IEEE80211_KEY_GROUP) {
2437                 if (k->wk_flags & IEEE80211_KEY_XMIT)
2438                         hk->keyFlags |= KEY_FLAG_TXGROUPKEY;
2439                 if (k->wk_flags & IEEE80211_KEY_RECV)
2440                         hk->keyFlags |= KEY_FLAG_RXGROUPKEY;
2441                 return (1);
2442         } else
2443                 return (0);
2444 }
2445 
2446 /*
2447  * Set/change channels.
2448  */
2449 static int
2450 mwl_chan_set(struct mwl_softc *sc, struct mwl_channel *chan)
2451 {
2452         MWL_HAL_CHANNEL hchan;
2453         int maxtxpow;
2454 
2455         MWL_DBG(MWL_DBG_HW, "mwl: mwl_chan_set(): "
2456             "chan %u MHz/flags 0x%x\n",
2457             chan->ic_freq, chan->ic_flags);
2458 
2459         /*
2460          * Convert to a HAL channel description with
2461          * the flags constrained to reflect the current
2462          * operating mode.
2463          */
2464         mwl_mapchan(&hchan, chan);
2465         mwl_hal_intrset(sc, 0);         /* disable interrupts */
2466 
2467         (void) mwl_hal_setchannel(sc, &hchan);
2468         /*
2469          * Tx power is cap'd by the regulatory setting and
2470          * possibly a user-set limit.  We pass the min of
2471          * these to the hal to apply them to the cal data
2472          * for this channel.
2473          * XXX min bound?
2474          */
2475         maxtxpow = 2 * chan->ic_maxregpower;
2476         if (maxtxpow > 100)
2477                 maxtxpow = 100;
2478         (void) mwl_hal_settxpower(sc, &hchan, maxtxpow / 2);
2479         /* NB: potentially change mcast/mgt rates */
2480         (void) mwl_setcurchanrates(sc);
2481 
2482         sc->sc_curchan = hchan;
2483         mwl_hal_intrset(sc, sc->sc_imask);
2484 
2485         return (0);
2486 }
2487 
2488 /*
2489  * Convert net80211 channel to a HAL channel.
2490  */
2491 static void
2492 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct mwl_channel *chan)
2493 {
2494         hc->channel = chan->ic_ieee;
2495 
2496         *(uint32_t *)&hc->channelFlags = 0;
2497         if (((chan)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
2498                 hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ;
2499         else if (((chan)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
2500                 hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ;
2501         if (((chan)->ic_flags & IEEE80211_CHAN_HT40) != 0) {
2502                 hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH;
2503                 if (((chan)->ic_flags & IEEE80211_CHAN_HT40U) != 0)
2504                         hc->channelFlags.ExtChnlOffset =
2505                             MWL_EXT_CH_ABOVE_CTRL_CH;
2506                 else
2507                         hc->channelFlags.ExtChnlOffset =
2508                             MWL_EXT_CH_BELOW_CTRL_CH;
2509         } else
2510                 hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH;
2511         /* XXX 10MHz channels */
2512 }
2513 
2514 /*
2515  * Return the phy mode for with the specified channel.
2516  */
2517 enum ieee80211_phymode
2518 mwl_chan2mode(const struct mwl_channel *chan)
2519 {
2520 
2521         if (IEEE80211_IS_CHAN_HTA(chan))
2522                 return (IEEE80211_MODE_11NA);
2523         else if (IEEE80211_IS_CHAN_HTG(chan))
2524                 return (IEEE80211_MODE_11NG);
2525         else if (IEEE80211_IS_CHAN_108G(chan))
2526                 return (IEEE80211_MODE_TURBO_G);
2527         else if (IEEE80211_IS_CHAN_ST(chan))
2528                 return (IEEE80211_MODE_STURBO_A);
2529         else if (IEEE80211_IS_CHAN_TURBO(chan))
2530                 return (IEEE80211_MODE_TURBO_A);
2531         else if (IEEE80211_IS_CHAN_HALF(chan))
2532                 return (IEEE80211_MODE_HALF);
2533         else if (IEEE80211_IS_CHAN_QUARTER(chan))
2534                 return (IEEE80211_MODE_QUARTER);
2535         else if (IEEE80211_IS_CHAN_A(chan))
2536                 return (IEEE80211_MODE_11A);
2537         else if (IEEE80211_IS_CHAN_ANYG(chan))
2538                 return (IEEE80211_MODE_11G);
2539         else if (IEEE80211_IS_CHAN_B(chan))
2540                 return (IEEE80211_MODE_11B);
2541         else if (IEEE80211_IS_CHAN_FHSS(chan))
2542                 return (IEEE80211_MODE_FH);
2543 
2544         /* NB: should not get here */
2545         MWL_DBG(MWL_DBG_HW, "mwl: mwl_chan2mode(): "
2546             "cannot map channel to mode; freq %u flags 0x%x\n",
2547             chan->ic_freq, chan->ic_flags);
2548         return (IEEE80211_MODE_11B);
2549 }
2550 
2551 /* XXX inline or eliminate? */
2552 const struct ieee80211_rateset *
2553 mwl_get_suprates(struct ieee80211com *ic, const struct mwl_channel *c)
2554 {
2555         /* XXX does this work for 11ng basic rates? */
2556         return (&ic->ic_sup_rates[mwl_chan2mode(c)]);
2557 }
2558 
2559 /*
2560  * Inform firmware of tx rate parameters.
2561  * Called after a channel change.
2562  */
2563 static int
2564 mwl_setcurchanrates(struct mwl_softc *sc)
2565 {
2566         struct ieee80211com *ic = &sc->sc_ic;
2567         const struct ieee80211_rateset *rs;
2568         MWL_HAL_TXRATE rates;
2569 
2570         (void) memset(&rates, 0, sizeof (rates));
2571         rs = mwl_get_suprates(ic, sc->sc_cur_chan);
2572         /* rate used to send management frames */
2573         rates.MgtRate = rs->ir_rates[0] & IEEE80211_RATE_VAL;
2574         /* rate used to send multicast frames */
2575         rates.McastRate = rates.MgtRate;
2576 
2577         return (mwl_hal_settxrate_auto(sc, &rates));
2578 }
2579 
2580 static const struct mwl_hal_channel *
2581 findhalchannel(const struct mwl_softc *sc, const MWL_HAL_CHANNEL *c)
2582 {
2583         const struct mwl_hal_channel *hc;
2584         const MWL_HAL_CHANNELINFO *ci;
2585         int chan = c->channel, i;
2586 
2587         if (c->channelFlags.FreqBand == MWL_FREQ_BAND_2DOT4GHZ) {
2588                 i = chan - 1;
2589                 if (c->channelFlags.ChnlWidth == MWL_CH_40_MHz_WIDTH) {
2590                         ci = &sc->sc_40M;
2591                         if (c->channelFlags.ExtChnlOffset ==
2592                             MWL_EXT_CH_BELOW_CTRL_CH)
2593                                 i -= 4;
2594                 } else
2595                         ci = &sc->sc_20M;
2596                 /* 2.4G channel table is directly indexed */
2597                 hc = ((unsigned)i < ci->nchannels) ? &ci->channels[i] : NULL;
2598         } else if (c->channelFlags.FreqBand == MWL_FREQ_BAND_5GHZ) {
2599                 if (c->channelFlags.ChnlWidth == MWL_CH_40_MHz_WIDTH) {
2600                         ci = &sc->sc_40M_5G;
2601                         if (c->channelFlags.ExtChnlOffset ==
2602                             MWL_EXT_CH_BELOW_CTRL_CH)
2603                                 chan -= 4;
2604                 } else
2605                         ci = &sc->sc_20M_5G;
2606                 /* 5GHz channel table is sparse and must be searched */
2607                 for (i = 0; i < ci->nchannels; i++)
2608                         if (ci->channels[i].ieee == chan)
2609                                 break;
2610                 hc = (i < ci->nchannels) ? &ci->channels[i] : NULL;
2611         } else
2612                 hc = NULL;
2613         return (hc);
2614 }
2615 
2616 /*
2617  * Map SKU+country code to region code for radar bin'ing.
2618  */
2619 static int
2620 mwl_map2regioncode(const struct mwl_regdomain *rd)
2621 {
2622         switch (rd->regdomain) {
2623         case SKU_FCC:
2624         case SKU_FCC3:
2625                 return (DOMAIN_CODE_FCC);
2626         case SKU_CA:
2627                 return (DOMAIN_CODE_IC);
2628         case SKU_ETSI:
2629         case SKU_ETSI2:
2630         case SKU_ETSI3:
2631                 if (rd->country == CTRY_SPAIN)
2632                         return (DOMAIN_CODE_SPAIN);
2633                 if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2)
2634                         return (DOMAIN_CODE_FRANCE);
2635                 /* XXX force 1.3.1 radar type */
2636                 return (DOMAIN_CODE_ETSI_131);
2637         case SKU_JAPAN:
2638                 return (DOMAIN_CODE_MKK);
2639         case SKU_ROW:
2640                 return (DOMAIN_CODE_DGT);       /* Taiwan */
2641         case SKU_APAC:
2642         case SKU_APAC2:
2643         case SKU_APAC3:
2644                 return (DOMAIN_CODE_AUS);       /* Australia */
2645         }
2646         /* XXX KOREA? */
2647         return (DOMAIN_CODE_FCC);                       /* XXX? */
2648 }
2649 
2650 /*
2651  * Setup the rx data structures.  This should only be
2652  * done once or we may get out of sync with the firmware.
2653  */
2654 static int
2655 mwl_startrecv(struct mwl_softc *sc)
2656 {
2657         struct mwl_rx_ring *ring;
2658         struct mwl_rxdesc *ds;
2659         struct mwl_rxbuf *bf, *prev;
2660 
2661         int i;
2662 
2663         ring = &sc->sc_rxring;
2664         bf = ring->buf;
2665 
2666         prev = NULL;
2667         for (i = 0; i < MWL_RX_RING_COUNT; i++, bf++) {
2668                 ds = bf->bf_desc;
2669                 /*
2670                  * NB: DMA buffer contents is known to be unmodified
2671                  * so there's no need to flush the data cache.
2672                  */
2673 
2674                 /*
2675                  * Setup descriptor.
2676                  */
2677                 ds->QosCtrl = 0;
2678                 ds->RSSI = 0;
2679                 ds->Status = EAGLE_RXD_STATUS_IDLE;
2680                 ds->Channel = 0;
2681                 ds->PktLen = LE_16(MWL_AGGR_SIZE);
2682                 ds->SQ2 = 0;
2683                 ds->pPhysBuffData = LE_32(bf->bf_baddr);
2684                 /* NB: don't touch pPhysNext, set once */
2685                 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
2686 
2687                 (void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
2688                     i * sizeof (struct mwl_rxdesc),
2689                     sizeof (struct mwl_rxdesc),
2690                     DDI_DMA_SYNC_FORDEV);
2691 
2692                 if (prev != NULL) {
2693                         ds = prev->bf_desc;
2694                         ds->pPhysNext = LE_32(bf->bf_daddr);
2695                 }
2696                 prev = bf;
2697         }
2698 
2699         if (prev != NULL) {
2700                 ds = prev->bf_desc;
2701                 ds->pPhysNext = ring->physaddr;
2702         }
2703 
2704         /* set filters, etc. */
2705         (void) mwl_mode_init(sc);
2706 
2707         return (0);
2708 }
2709 
2710 static int
2711 mwl_mode_init(struct mwl_softc *sc)
2712 {
2713         /*
2714          * NB: Ignore promisc in hostap mode; it's set by the
2715          * bridge.  This is wrong but we have no way to
2716          * identify internal requests (from the bridge)
2717          * versus external requests such as for tcpdump.
2718          */
2719         /* mwl_setmcastfilter - not support now */
2720         (void) mwl_hal_setpromisc(sc, 0);
2721 
2722         return (0);
2723 }
2724 
2725 /*
2726  * Kick the firmware to tell it there are new tx descriptors
2727  * for processing.  The driver says what h/w q has work in
2728  * case the f/w ever gets smarter.
2729  */
2730 /* ARGSUSED */
2731 static void
2732 mwl_hal_txstart(struct mwl_softc *sc, int qnum)
2733 {
2734 
2735         mwl_ctl_write4(sc, MACREG_REG_H2A_INTERRUPT_EVENTS,
2736             MACREG_H2ARIC_BIT_PPA_READY);
2737         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
2738 }
2739 
2740 static int
2741 mwl_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type)
2742 {
2743         struct mwl_softc *sc = (struct mwl_softc *)ic;
2744         struct mwl_tx_ring *ring;
2745         struct mwl_txdesc *ds;
2746         struct mwl_txbuf *bf;
2747         struct ieee80211_frame *wh, *wh1;
2748         struct ieee80211_node *ni = NULL;
2749 
2750         int err, off;
2751         int mblen, pktlen, hdrlen;
2752         mblk_t *m, *m0;
2753         uint8_t *addr_4, *txbuf;
2754         uint16_t *pfwlen;
2755 
2756         MWL_TXLOCK(sc);
2757 
2758         err = DDI_SUCCESS;
2759         if (!MWL_IS_RUNNING(sc) || MWL_IS_SUSPEND(sc)) {
2760                 err = ENXIO;
2761                 goto fail1;
2762         }
2763 
2764         ring = &sc->sc_txring[1];
2765         if (ring->queued > 15) {
2766                 MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2767                     "no txbuf, %d\n", ring->queued);
2768                 sc->sc_need_sched = 1;
2769                 sc->sc_tx_nobuf++;
2770                 err = ENOMEM;
2771                 goto fail1;
2772         }
2773 
2774         m = allocb(msgdsize(mp) + 32, BPRI_MED);
2775         if (m == NULL) {
2776                 MWL_DBG(MWL_DBG_TX, "mwl: mwl_send():"
2777                     "can't alloc mblk.\n");
2778                 err = DDI_FAILURE;
2779                 goto fail1;
2780         }
2781 
2782         for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) {
2783                 mblen = MBLKL(m0);
2784                 (void) bcopy(m0->b_rptr, m->b_rptr + off, mblen);
2785                 off += mblen;
2786         }
2787         m->b_wptr += off;
2788 
2789         wh = (struct ieee80211_frame *)m->b_rptr;
2790         ni = ieee80211_find_txnode(ic, wh->i_addr1);
2791         if (ni == NULL) {
2792                 err = DDI_FAILURE;
2793                 sc->sc_tx_err++;
2794                 goto fail2;
2795         }
2796 
2797         hdrlen = sizeof (*wh);
2798         pktlen = msgdsize(m);
2799 
2800         (void) ieee80211_encap(ic, m, ni);
2801 
2802         if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2803                 const struct ieee80211_cipher *cip;
2804                 struct ieee80211_key *k;
2805                 k = ieee80211_crypto_encap(ic, m);
2806                 if (k == NULL) {
2807                         sc->sc_tx_err++;
2808                         err = DDI_FAILURE;
2809                         goto fail3;
2810                 }
2811 
2812                 /*
2813                  * Adjust the packet length for the crypto additions
2814                  * done during encap and any other bits that the f/w
2815                  * will add later on.
2816                  */
2817                 cip = k->wk_cipher;
2818                 pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer;
2819                 /* packet header may have moved, reset our local pointer */
2820                 wh = (struct ieee80211_frame *)m->b_rptr;
2821         }
2822 
2823         ds = &ring->desc[ring->cur];
2824         bf = &ring->buf[ring->cur];
2825 
2826         bf->bf_node = ieee80211_ref_node(ni);
2827         txbuf = (uint8_t *)bf->bf_mem;
2828 
2829         /*
2830          * inject FW specific fields into the 802.11 frame
2831          *
2832          *  2   bytes FW len (inject)
2833          *  24 bytes 802.11 frame header
2834          *  6   bytes addr4 (inject)
2835          *  n   bytes 802.11 frame body
2836          */
2837         pfwlen = (uint16_t *)txbuf;
2838         *pfwlen = pktlen - hdrlen;
2839         wh1 = (struct ieee80211_frame *)(txbuf + 2);
2840         bcopy(wh, wh1, sizeof (struct ieee80211_frame));
2841         addr_4 = txbuf + (sizeof (struct ieee80211_frame) + sizeof (uint16_t));
2842         (void) memset(addr_4, 0, 6);
2843         bcopy(m->b_rptr + sizeof (struct ieee80211_frame), txbuf + 32, *pfwlen);
2844         pktlen += 8;
2845 
2846         (void) ddi_dma_sync(bf->txbuf_dma.dma_hdl,
2847             0,
2848             pktlen,
2849             DDI_DMA_SYNC_FORDEV);
2850 
2851         ds->QosCtrl = 0;
2852         ds->PktLen = (uint16_t)pktlen;
2853         ds->PktPtr = bf->bf_baddr;
2854         ds->Status = LE_32(EAGLE_TXD_STATUS_FW_OWNED);
2855         ds->Format = 0;
2856         ds->pad = 0;
2857         ds->ack_wcb_addr = 0;
2858         ds->TxPriority = 1;
2859 
2860         MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2861             "tx desc Status %x, DataRate %x, TxPriority %x, QosCtrl %x, "
2862             "PktLen %x, SapPktInfo %x, Format %x, Pad %x, ack_wcb_addr %x\n",
2863             ds->Status, ds->DataRate, ds->TxPriority, ds->QosCtrl, ds->PktLen,
2864             ds->SapPktInfo, ds->Format, ds->pad, ds->ack_wcb_addr);
2865 
2866         (void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
2867             ring->cur * sizeof (struct mwl_txdesc),
2868             sizeof (struct mwl_txdesc),
2869             DDI_DMA_SYNC_FORDEV);
2870 
2871         MWL_DBG(MWL_DBG_TX, "mwl: mwl_send(): "
2872             "pktlen = %u, slot = %u, queued = %x\n",
2873             mblen, ring->cur, ring->queued);
2874 
2875         ring->queued++;
2876         ring->cur = (ring->cur + 1) % MWL_TX_RING_COUNT;
2877 
2878         /*
2879          * NB: We don't need to lock against tx done because
2880          * this just prods the firmware to check the transmit
2881          * descriptors.  The firmware will also start fetching
2882          * descriptors by itself if it notices new ones are
2883          * present when it goes to deliver a tx done interrupt
2884          * to the host. So if we race with tx done processing
2885          * it's ok.  Delivering the kick here rather than in
2886          * mwl_tx_start is an optimization to avoid poking the
2887          * firmware for each packet.
2888          *
2889          * NB: the queue id isn't used so 0 is ok.
2890          */
2891         mwl_hal_txstart(sc, 0);
2892 
2893         ic->ic_stats.is_tx_frags++;
2894         ic->ic_stats.is_tx_bytes += pktlen;
2895 
2896 fail3:
2897         ieee80211_free_node(ni);
2898 fail2:
2899         freemsg(m);
2900 fail1:
2901         if ((type & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA ||
2902             err == DDI_SUCCESS)
2903                 freemsg(mp);
2904         MWL_TXUNLOCK(sc);
2905         return (err);
2906 }
2907 
2908 /*
2909  * This function is called periodically (every 200ms) during scanning to
2910  * switch from one channel to another.
2911  */
2912 static void
2913 mwl_next_scan(void *arg)
2914 {
2915         struct mwl_softc *sc = (struct mwl_softc *)arg;
2916         struct ieee80211com *ic = &sc->sc_ic;
2917 
2918         if (ic->ic_state == IEEE80211_S_SCAN)
2919                 (void) ieee80211_next_scan(ic);
2920 
2921         sc->sc_scan_id = 0;
2922 }
2923 
2924 /*
2925  * Convert a legacy rate set to a firmware bitmask.
2926  */
2927 static uint32_t
2928 get_rate_bitmap(const struct ieee80211_rateset *rs)
2929 {
2930         uint32_t rates;
2931         int i;
2932 
2933         rates = 0;
2934         for (i = 0; i < rs->ir_nrates; i++)
2935                 switch (rs->ir_rates[i] & IEEE80211_RATE_VAL) {
2936                 case 2:   rates |= 0x001; break;
2937                 case 4:   rates |= 0x002; break;
2938                 case 11:  rates |= 0x004; break;
2939                 case 22:  rates |= 0x008; break;
2940                 case 44:  rates |= 0x010; break;
2941                 case 12:  rates |= 0x020; break;
2942                 case 18:  rates |= 0x040; break;
2943                 case 24:  rates |= 0x080; break;
2944                 case 36:  rates |= 0x100; break;
2945                 case 48:  rates |= 0x200; break;
2946                 case 72:  rates |= 0x400; break;
2947                 case 96:  rates |= 0x800; break;
2948                 case 108: rates |= 0x1000; break;
2949                 }
2950         return (rates);
2951 }
2952 
2953 /*
2954  * Craft station database entry for station.
2955  * NB: use host byte order here, the hal handles byte swapping.
2956  */
2957 static MWL_HAL_PEERINFO *
2958 mkpeerinfo(MWL_HAL_PEERINFO *pi, const struct ieee80211_node *ni)
2959 {
2960         (void) memset(pi, 0, sizeof (*pi));
2961         pi->LegacyRateBitMap = get_rate_bitmap(&ni->in_rates);
2962         pi->CapInfo = ni->in_capinfo;
2963         return (pi);
2964 }
2965 
2966 static int
2967 mwl_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
2968 {
2969         struct mwl_softc *sc = (struct mwl_softc *)ic;
2970         enum ieee80211_state ostate;
2971         struct ieee80211_channel *ic_chan;
2972         struct ieee80211_node *ni = NULL;
2973         MWL_HAL_PEERINFO pi;
2974         uint32_t chan;
2975 
2976         if (sc->sc_scan_id != 0) {
2977                 (void) untimeout(sc->sc_scan_id);
2978                 sc->sc_scan_id = 0;
2979         }
2980 
2981         MWL_GLOCK(sc);
2982 
2983         ostate = ic->ic_state;
2984         MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
2985             "ostate %x -> nstate %x\n",
2986             ostate, nstate);
2987 
2988         switch (nstate) {
2989         case IEEE80211_S_INIT:
2990                 break;
2991         case IEEE80211_S_SCAN:
2992                 if (ostate != IEEE80211_S_INIT) {
2993                         ic_chan = ic->ic_curchan;
2994                         chan = ieee80211_chan2ieee(ic, ic_chan);
2995                         if (chan != 0 && chan != IEEE80211_CHAN_ANY) {
2996                                 sc->sc_cur_chan =
2997                                     &sc->sc_channels[3 * chan - 2];
2998                                 MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
2999                                     "chan num is %u, sc chan is %u\n",
3000                                     chan, sc->sc_cur_chan->ic_ieee);
3001                                 (void) mwl_chan_set(sc, sc->sc_cur_chan);
3002                         }
3003                 }
3004                 sc->sc_scan_id = timeout(mwl_next_scan, (void *)sc,
3005                     drv_usectohz(250000));
3006                 break;
3007         case IEEE80211_S_AUTH:
3008                 ic_chan = ic->ic_curchan;
3009                 chan = ieee80211_chan2ieee(ic, ic_chan);
3010                 sc->sc_cur_chan = &sc->sc_channels[3 * chan - 2];
3011                 MWL_DBG(MWL_DBG_MSG, "mwl: mwl_newstate(): "
3012                     "chan num is %u, sc chan is %u\n",
3013                     chan, sc->sc_cur_chan->ic_ieee);
3014                 (void) mwl_chan_set(sc, sc->sc_cur_chan);
3015                 ni = ic->ic_bss;
3016                 (void) mwl_hal_newstation(sc, ic->ic_macaddr, 0, 0, NULL, 0, 0);
3017                 mwl_setanywepkey(ic, ni->in_macaddr);
3018                 break;
3019         case IEEE80211_S_ASSOC:
3020                 break;
3021         case IEEE80211_S_RUN:
3022                 ni = ic->ic_bss;
3023                 (void) mwl_hal_newstation(sc,
3024                     ic->ic_macaddr, 0, 0, mkpeerinfo(&pi, ni), 0, 0);
3025                 mwl_setglobalkeys(ic);
3026                 (void) mwl_hal_setassocid(sc,
3027                     ic->ic_bss->in_bssid, ic->ic_bss->in_associd);
3028                 (void) mwl_setrates(ic);
3029                 (void) mwl_hal_setrtsthreshold(sc, ic->ic_rtsthreshold);
3030                 (void) mwl_hal_setcsmode(sc, CSMODE_AUTO_ENA);
3031                 break;
3032         default:
3033                 break;
3034         }
3035 
3036         MWL_GUNLOCK(sc);
3037 
3038         return (sc->sc_newstate(ic, nstate, arg));
3039 }
3040 
3041 /*
3042  * Set the interrupt mask.
3043  */
3044 static void
3045 mwl_hal_intrset(struct mwl_softc *sc, uint32_t mask)
3046 {
3047         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, 0);
3048         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3049 
3050         sc->sc_hal_imask = mask;
3051         mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_MASK, mask);
3052         (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3053 }
3054 
3055 /*
3056  * Return the current ISR setting and clear the cause.
3057  */
3058 static void
3059 mwl_hal_getisr(struct mwl_softc *sc, uint32_t *status)
3060 {
3061         uint32_t cause;
3062 
3063         cause = mwl_ctl_read4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE);
3064         if (cause == 0xffffffff) {      /* card removed */
3065                 cause = 0;
3066         } else if (cause != 0) {
3067                 /* clear cause bits */
3068                 mwl_ctl_write4(sc, MACREG_REG_A2H_INTERRUPT_CAUSE,
3069                     cause & ~sc->sc_hal_imask);
3070                 (void) mwl_ctl_read4(sc, MACREG_REG_INT_CODE);
3071                 cause &= sc->sc_hal_imask;
3072         }
3073         *status = cause;
3074 }
3075 
3076 static void
3077 mwl_tx_intr(struct mwl_softc *sc)
3078 {
3079         struct ieee80211com *ic = &sc->sc_ic;
3080         struct mwl_tx_ring *ring;
3081         struct mwl_txdesc *ds;
3082 
3083         uint32_t status;
3084 
3085         MWL_TXLOCK(sc);
3086 
3087         ring = &sc->sc_txring[1];
3088 
3089         if (!(ring->queued)) {
3090                 MWL_TXUNLOCK(sc);
3091                 return;
3092         }
3093 
3094         (void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
3095             0,
3096             ring->txdesc_dma.alength,
3097             DDI_DMA_SYNC_FORCPU);
3098 
3099         for (;;) {
3100                 ds = &ring->desc[ring->next];
3101 
3102                 status = LE_32(ds->Status);
3103 
3104                 if (status & LE_32(EAGLE_TXD_STATUS_FW_OWNED)) {
3105                         break;
3106                 }
3107 
3108                 if (status == LE_32(EAGLE_TXD_STATUS_IDLE)) {
3109                         break;
3110                 }
3111 
3112                 MWL_DBG(MWL_DBG_TX, "mwl: mwl_tx_intr(): "
3113                     "recv tx desc status %x, datarate %x, txpriority %x, "
3114                     "QosCtrl %x, pktLen %x, SapPktInfo %x, Format %x, "
3115                     "pad %x, ack_wcb_addr %x\n",
3116                     ds->Status, ds->DataRate, ds->TxPriority,
3117                     ds->QosCtrl, ds->PktLen, ds->SapPktInfo,
3118                     ds->Format, ds->pad, ds->ack_wcb_addr);
3119 
3120                 /* descriptor is no longer valid */
3121                 ds->Status = LE_32(EAGLE_TXD_STATUS_IDLE);
3122 
3123                 (void) ddi_dma_sync(ring->txdesc_dma.dma_hdl,
3124                     ring->next * sizeof (struct mwl_txdesc),
3125                     sizeof (struct mwl_txdesc),
3126                     DDI_DMA_SYNC_FORDEV);
3127 
3128                 ring->queued--;
3129                 ring->next = (ring->next + 1) % MWL_TX_RING_COUNT;
3130                 MWL_DBG(MWL_DBG_TX, "mwl: mwl_tx_intr(): "
3131                     " tx done idx=%u, queued= %d\n",
3132                     ring->next, ring->queued);
3133 
3134                 if (sc->sc_need_sched &&
3135                     (ring->queued < MWL_TX_RING_COUNT)) {
3136                         sc->sc_need_sched = 0;
3137                         mac_tx_update(ic->ic_mach);
3138                 }
3139 
3140         }
3141 
3142         MWL_TXUNLOCK(sc);
3143 }
3144 
3145 /*
3146  * Convert hardware signal strength to rssi.  The value
3147  * provided by the device has the noise floor added in;
3148  * we need to compensate for this but we don't have that
3149  * so we use a fixed value.
3150  *
3151  * The offset of 8 is good for both 2.4 and 5GHz.  The LNA
3152  * offset is already set as part of the initial gain.  This
3153  * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz.
3154  */
3155 static int
3156 cvtrssi(uint8_t ssi)
3157 {
3158         int rssi = (int)ssi + 8;
3159         /* XXX hack guess until we have a real noise floor */
3160         rssi = 2 * (87 - rssi); /* NB: .5 dBm units */
3161         return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi);
3162 }
3163 
3164 static void
3165 mwl_rx_intr(struct mwl_softc *sc)
3166 {
3167         struct ieee80211com     *ic = &sc->sc_ic;
3168         struct mwl_rx_ring *ring;
3169         struct ieee80211_node   *ni;
3170         struct ieee80211_frame *wh;
3171 
3172         struct mwl_rxbuf *bf;
3173         struct mwl_rxdesc *ds;
3174         mblk_t  *mp0;
3175 
3176         int ntodo, len, rssi;
3177         uint8_t *data, status;
3178 
3179         MWL_RXLOCK(sc);
3180 
3181         ring = &sc->sc_rxring;
3182         for (ntodo = MWL_RX_RING_COUNT; ntodo > 0; ntodo--) {
3183                 bf = &ring->buf[ring->cur];
3184                 ds = bf->bf_desc;
3185                 data = bf->bf_mem;
3186 
3187                 (void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
3188                     ring->cur * sizeof (struct mwl_rxdesc),
3189                     sizeof (struct mwl_rxdesc),
3190                     DDI_DMA_SYNC_FORCPU);
3191 
3192                 if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN)
3193                         break;
3194 
3195                 status = ds->Status;
3196                 if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) {
3197                         MWL_DBG(MWL_DBG_CRYPTO, "mwl: mwl_rx_intr(): "
3198                             "rx decrypt error\n");
3199                         sc->sc_rx_err++;
3200                 }
3201 
3202                 /*
3203                  * Sync the data buffer.
3204                  */
3205                 len = LE_16(ds->PktLen);
3206 
3207                 (void) ddi_dma_sync(bf->rxbuf_dma.dma_hdl,
3208                     0,
3209                     bf->rxbuf_dma.alength,
3210                     DDI_DMA_SYNC_FORCPU);
3211 
3212                 if (len < 32 || len > sc->sc_dmabuf_size) {
3213                         MWL_DBG(MWL_DBG_RX, "mwl: mwl_rx_intr(): "
3214                             "packet len error %d\n", len);
3215                         sc->sc_rx_err++;
3216                         goto rxnext;
3217                 }
3218 
3219                 mp0 = allocb(sc->sc_dmabuf_size, BPRI_MED);
3220                 if (mp0 == NULL) {
3221                         MWL_DBG(MWL_DBG_RX, "mwl: mwl_rx_intr(): "
3222                             "alloc mblk error\n");
3223                         sc->sc_rx_nobuf++;
3224                         goto rxnext;
3225                 }
3226                 bcopy(data+ 2, mp0->b_wptr, 24);
3227                 mp0->b_wptr += 24;
3228                 bcopy(data + 32, mp0->b_wptr, len - 32);
3229                 mp0->b_wptr += (len - 32);
3230 
3231                 wh = (struct ieee80211_frame *)mp0->b_rptr;
3232                 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
3233                     IEEE80211_FC0_TYPE_CTL) {
3234                         freemsg(mp0);
3235                         goto rxnext;
3236                 }
3237 
3238                 /*
3239                  * The f/w strips WEP header but doesn't clear
3240                  * the WEP bit; mark the packet with M_WEP so
3241                  * net80211 will treat the data as decrypted.
3242                  * While here also clear the PWR_MGT bit since
3243                  * power save is handled by the firmware and
3244                  * passing this up will potentially cause the
3245                  * upper layer to put a station in power save
3246                  * (except when configured with MWL_HOST_PS_SUPPORT).
3247                  */
3248 #ifdef MWL_HOST_PS_SUPPORT
3249                 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3250 #else
3251                 wh->i_fc[1] &= ~(IEEE80211_FC1_WEP | IEEE80211_FC1_PWR_MGT);
3252 #endif
3253 
3254                 /* calculate rssi early so we can re-use for each aggregate */
3255                 rssi = cvtrssi(ds->RSSI);
3256 
3257                 ni = ieee80211_find_rxnode(ic, wh);
3258 
3259                 /* send the frame to the 802.11 layer */
3260                 (void) ieee80211_input(ic, mp0, ni, rssi, 0);
3261                 ieee80211_free_node(ni);
3262 rxnext:
3263                 /*
3264                  * Setup descriptor.
3265                  */
3266                 ds->QosCtrl = 0;
3267                 ds->RSSI = 0;
3268                 ds->Status = EAGLE_RXD_STATUS_IDLE;
3269                 ds->Channel = 0;
3270                 ds->PktLen = LE_16(MWL_AGGR_SIZE);
3271                 ds->SQ2 = 0;
3272                 ds->pPhysBuffData = bf->bf_baddr;
3273                 /* NB: don't touch pPhysNext, set once */
3274                 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
3275 
3276                 (void) ddi_dma_sync(ring->rxdesc_dma.dma_hdl,
3277                     ring->cur * sizeof (struct mwl_rxdesc),
3278                     sizeof (struct mwl_rxdesc),
3279                     DDI_DMA_SYNC_FORDEV);
3280 
3281                 /* NB: ignore ENOMEM so we process more descriptors */
3282                 ring->cur = (ring->cur + 1) % MWL_RX_RING_COUNT;
3283         }
3284 
3285         MWL_RXUNLOCK(sc);
3286 }
3287 
3288 /*ARGSUSED*/
3289 static uint_t
3290 mwl_softintr(caddr_t data, caddr_t unused)
3291 {
3292         struct mwl_softc *sc = (struct mwl_softc *)data;
3293 
3294         /*
3295          * Check if the soft interrupt is triggered by another
3296          * driver at the same level.
3297          */
3298         MWL_GLOCK(sc);
3299         if (sc->sc_rx_pend) {
3300                 sc->sc_rx_pend = 0;
3301                 MWL_GUNLOCK(sc);
3302                 mwl_rx_intr(sc);
3303                 return (DDI_INTR_CLAIMED);
3304         }
3305         MWL_GUNLOCK(sc);
3306 
3307         return (DDI_INTR_UNCLAIMED);
3308 }
3309 
3310 /*ARGSUSED*/
3311 static uint_t
3312 mwl_intr(caddr_t arg, caddr_t unused)
3313 {
3314         struct mwl_softc *sc = (struct mwl_softc *)arg;
3315         uint32_t status;
3316 
3317         MWL_GLOCK(sc);
3318 
3319         if (!MWL_IS_RUNNING(sc) || MWL_IS_SUSPEND(sc)) {
3320                 MWL_GUNLOCK(sc);
3321                 return (DDI_INTR_UNCLAIMED);
3322         }
3323 
3324         /*
3325          * Figure out the reason(s) for the interrupt.
3326          */
3327         mwl_hal_getisr(sc, &status);                /* NB: clears ISR too */
3328         if (status == 0) {
3329                 MWL_GUNLOCK(sc);
3330                 return (DDI_INTR_UNCLAIMED);
3331         }
3332 
3333         if (status & MACREG_A2HRIC_BIT_RX_RDY) {
3334                 sc->sc_rx_pend = 1;
3335                 (void) ddi_intr_trigger_softint(sc->sc_softintr_hdl, NULL);
3336         }
3337         if (status & MACREG_A2HRIC_BIT_TX_DONE) {
3338                 mwl_tx_intr(sc);
3339         }
3340         if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG) {
3341                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3342                     "ba watchdog\n");
3343         }
3344         if (status & MACREG_A2HRIC_BIT_OPC_DONE) {
3345                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3346                     "opc done\n");
3347         }
3348         if (status & MACREG_A2HRIC_BIT_MAC_EVENT) {
3349                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3350                     "mac event\n");
3351         }
3352         if (status & MACREG_A2HRIC_BIT_ICV_ERROR) {
3353                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3354                     "ICV error\n");
3355         }
3356         if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) {
3357                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3358                     "queue empty\n");
3359         }
3360         if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) {
3361                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3362                     "queue full\n");
3363         }
3364         if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
3365                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3366                     "radar detect\n");
3367         }
3368         if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) {
3369                 MWL_DBG(MWL_DBG_INTR, "mwl: mwl_intr(): "
3370                     "chan switch\n");
3371         }
3372 
3373         MWL_GUNLOCK(sc);
3374 
3375         return (DDI_INTR_CLAIMED);
3376 }
3377 
3378 static int
3379 mwl_init(struct mwl_softc *sc)
3380 {
3381         struct ieee80211com *ic = &sc->sc_ic;
3382         int err = 0;
3383 
3384         mwl_hal_intrset(sc, 0);
3385 
3386         sc->sc_txantenna = 0;                /* h/w default */
3387         sc->sc_rxantenna = 0;                /* h/w default */
3388 
3389         err = mwl_hal_setantenna(sc, WL_ANTENNATYPE_RX, sc->sc_rxantenna);
3390         if (err != 0) {
3391                 MWL_DBG(MWL_DBG_HW, "mwl: mwl_init(): "
3392                     "could not set rx antenna\n");
3393                 goto fail;
3394         }
3395 
3396         err = mwl_hal_setantenna(sc, WL_ANTENNATYPE_TX, sc->sc_txantenna);
3397         if (err != 0) {
3398                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3399                     "could not set tx antenna\n");
3400                 goto fail;
3401         }
3402 
3403         err = mwl_hal_setradio(sc, 1, WL_AUTO_PREAMBLE);
3404         if (err != 0) {
3405                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3406                     "could not set radio\n");
3407                 goto fail;
3408         }
3409 
3410         err = mwl_hal_setwmm(sc, (ic->ic_flags & IEEE80211_F_WME) != 0);
3411         if (err != 0) {
3412                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3413                     "could not set wme\n");
3414                 goto fail;
3415         }
3416 
3417         /* select default channel */
3418         ic->ic_ibss_chan = &ic->ic_sup_channels[0];
3419         ic->ic_curchan = ic->ic_ibss_chan;
3420         sc->sc_cur_chan = &sc->sc_channels[1];
3421 
3422         err = mwl_chan_set(sc, sc->sc_cur_chan);
3423         if (err != 0) {
3424                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3425                     "could not set wme\n");
3426                 goto fail;
3427         }
3428 
3429         err = mwl_hal_setrateadaptmode(sc, 0);
3430         if (err != 0) {
3431                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3432                     "could not set rate adapt mode\n");
3433                 goto fail;
3434         }
3435 
3436         err = mwl_hal_setoptimizationlevel(sc,
3437             (ic->ic_flags & IEEE80211_F_BURST) != 0);
3438         if (err != 0) {
3439                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3440                     "could not set optimization level\n");
3441                 goto fail;
3442         }
3443 
3444         err = mwl_hal_setregioncode(sc, mwl_map2regioncode(&sc->sc_regdomain));
3445         if (err != 0) {
3446                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3447                     "could not set regioncode\n");
3448                 goto fail;
3449         }
3450 
3451         err = mwl_startrecv(sc);
3452         if (err != 0) {
3453                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3454                     "could not set start recv logic\n");
3455                 goto fail;
3456         }
3457 
3458         /*
3459          * Enable interrupts.
3460          */
3461         sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY
3462             | MACREG_A2HRIC_BIT_TX_DONE
3463             | MACREG_A2HRIC_BIT_OPC_DONE
3464             | MACREG_A2HRIC_BIT_ICV_ERROR
3465             | MACREG_A2HRIC_BIT_RADAR_DETECT
3466             | MACREG_A2HRIC_BIT_CHAN_SWITCH
3467             | MACREG_A2HRIC_BIT_BA_WATCHDOG
3468             | MACREQ_A2HRIC_BIT_TX_ACK;
3469 
3470         mwl_hal_intrset(sc, sc->sc_imask);
3471 
3472         err = mwl_hal_start(sc);
3473         if (err != 0) {
3474                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3475                     "could not get hal start\n");
3476                 goto fail;
3477         }
3478 
3479         err = mwl_hal_setinframode(sc);
3480         if (err != 0) {
3481                 MWL_DBG(MWL_DBG_HW, "mwl: init(): "
3482                     "could not set infra mode\n");
3483                 goto fail;
3484         }
3485 
3486 fail:
3487         return (err);
3488 }
3489 
3490 static int
3491 mwl_resume(struct mwl_softc *sc)
3492 {
3493         int qid, err = 0;
3494 
3495         err = mwl_fwload(sc, NULL);
3496         if (err != 0) {
3497                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3498                     "failed to load fw\n");
3499                 goto fail;
3500         }
3501 
3502         err = mwl_gethwspecs(sc);
3503         if (err != 0) {
3504                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3505                     "failed to get hw spec\n");
3506                 goto fail;
3507         }
3508 
3509         err = mwl_alloc_rx_ring(sc, MWL_RX_RING_COUNT);
3510         if (err != 0) {
3511                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3512                     "could not alloc cmd dma buffer\n");
3513                 goto fail;
3514         }
3515 
3516         for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++) {
3517                 err = mwl_alloc_tx_ring(sc,
3518                     &sc->sc_txring[qid], MWL_TX_RING_COUNT);
3519                 if (err != 0) {
3520                         MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3521                             "could not alloc tx ring %d\n", qid);
3522                         goto fail;
3523                 }
3524         }
3525 
3526         err = mwl_setupdma(sc);
3527         if (err != 0) {
3528                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3529                     "could not setup dma\n");
3530                 goto fail;
3531         }
3532 
3533         err = mwl_setup_txq(sc);
3534         if (err != 0) {
3535                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_resume(): "
3536                     "could not setup txq\n");
3537                 goto fail;
3538         }
3539 
3540 fail:
3541         return (err);
3542 }
3543 
3544 static void
3545 mwl_stop(struct mwl_softc *sc)
3546 {
3547         int err;
3548 
3549         /* by pass if it's quiesced */
3550         if (!MWL_IS_QUIESCE(sc))
3551                 MWL_GLOCK(sc);
3552 
3553         err = mwl_hal_stop(sc);
3554         if (err != 0) {
3555                 MWL_DBG(MWL_DBG_HW, "mwl: mwl_stop(): "
3556                     "could not stop hw\n");
3557         }
3558 
3559         /* by pass if it's quiesced */
3560         if (!MWL_IS_QUIESCE(sc))
3561                 MWL_GUNLOCK(sc);
3562 }
3563 
3564 static int
3565 mwl_m_stat(void *arg, uint_t stat, uint64_t *val)
3566 {
3567         struct mwl_softc *sc  = (struct mwl_softc *)arg;
3568         struct ieee80211com *ic = &sc->sc_ic;
3569         struct ieee80211_node *ni = NULL;
3570         struct ieee80211_rateset *rs = NULL;
3571 
3572         MWL_GLOCK(sc);
3573         switch (stat) {
3574         case MAC_STAT_IFSPEED:
3575                 ni = ic->ic_bss;
3576                 rs = &ni->in_rates;
3577                 *val = ((ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) ?
3578                     (rs->ir_rates[ni->in_txrate] & IEEE80211_RATE_VAL)
3579                     : ic->ic_fixed_rate) / 2 * 1000000;
3580                 break;
3581         case MAC_STAT_NOXMTBUF:
3582                 *val = sc->sc_tx_nobuf;
3583                 break;
3584         case MAC_STAT_NORCVBUF:
3585                 *val = sc->sc_rx_nobuf;
3586                 break;
3587         case MAC_STAT_IERRORS:
3588                 *val = sc->sc_rx_err;
3589                 break;
3590         case MAC_STAT_RBYTES:
3591                 *val = ic->ic_stats.is_rx_bytes;
3592                 break;
3593         case MAC_STAT_IPACKETS:
3594                 *val = ic->ic_stats.is_rx_frags;
3595                 break;
3596         case MAC_STAT_OBYTES:
3597                 *val = ic->ic_stats.is_tx_bytes;
3598                 break;
3599         case MAC_STAT_OPACKETS:
3600                 *val = ic->ic_stats.is_tx_frags;
3601                 break;
3602         case MAC_STAT_OERRORS:
3603         case WIFI_STAT_TX_FAILED:
3604                 *val = sc->sc_tx_err;
3605                 break;
3606         case WIFI_STAT_TX_RETRANS:
3607                 *val = sc->sc_tx_retries;
3608                 break;
3609         case WIFI_STAT_FCS_ERRORS:
3610         case WIFI_STAT_WEP_ERRORS:
3611         case WIFI_STAT_TX_FRAGS:
3612         case WIFI_STAT_MCAST_TX:
3613         case WIFI_STAT_RTS_SUCCESS:
3614         case WIFI_STAT_RTS_FAILURE:
3615         case WIFI_STAT_ACK_FAILURE:
3616         case WIFI_STAT_RX_FRAGS:
3617         case WIFI_STAT_MCAST_RX:
3618         case WIFI_STAT_RX_DUPS:
3619                 MWL_GUNLOCK(sc);
3620                 return (ieee80211_stat(ic, stat, val));
3621         default:
3622                 MWL_GUNLOCK(sc);
3623                 return (ENOTSUP);
3624         }
3625 
3626         MWL_GUNLOCK(sc);
3627         return (0);
3628 }
3629 
3630 static int
3631 mwl_m_start(void *arg)
3632 {
3633         struct mwl_softc *sc = (struct mwl_softc *)arg;
3634         struct ieee80211com *ic = &sc->sc_ic;
3635         int err;
3636 
3637         err = mwl_init(sc);
3638         if (err != DDI_SUCCESS) {
3639                 MWL_DBG(MWL_DBG_HW, "mwl: mwl_m_start():"
3640                     "Hardware initialization failed\n");
3641                 goto fail1;
3642         }
3643 
3644         ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
3645 
3646         MWL_GLOCK(sc);
3647         sc->sc_flags |= MWL_F_RUNNING;
3648         MWL_GUNLOCK(sc);
3649 
3650         return (0);
3651 fail1:
3652         mwl_stop(sc);
3653         return (err);
3654 }
3655 
3656 static void
3657 mwl_m_stop(void *arg)
3658 {
3659         struct mwl_softc *sc = (struct mwl_softc *)arg;
3660 
3661         mwl_stop(sc);
3662 
3663         ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3664 
3665         MWL_GLOCK(sc);
3666         sc->sc_flags &= ~MWL_F_RUNNING;
3667         MWL_GUNLOCK(sc);
3668 }
3669 
3670 /*ARGSUSED*/
3671 static int
3672 mwl_m_promisc(void *arg, boolean_t on)
3673 {
3674         struct mwl_softc *sc = (struct mwl_softc *)arg;
3675         int err;
3676 
3677         err = mwl_hal_setpromisc(sc, on);
3678 
3679         return (err);
3680 }
3681 
3682 /*ARGSUSED*/
3683 static int
3684 mwl_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3685 {
3686         return (ENOTSUP);
3687 }
3688 
3689 /*ARGSUSED*/
3690 static int
3691 mwl_m_unicst(void *arg, const uint8_t *macaddr)
3692 {
3693         return (ENOTSUP);
3694 }
3695 
3696 static mblk_t *
3697 mwl_m_tx(void *arg, mblk_t *mp)
3698 {
3699         struct mwl_softc *sc = (struct mwl_softc *)arg;
3700         struct ieee80211com *ic = &sc->sc_ic;
3701         mblk_t *next;
3702 
3703         if (MWL_IS_SUSPEND(sc)) {
3704                 freemsgchain(mp);
3705                 return (NULL);
3706         }
3707 
3708         /*
3709          * No data frames go out unless we're associated; this
3710          * should not happen as the 802.11 layer does not enable
3711          * the xmit queue until we enter the RUN state.
3712          */
3713         if (ic->ic_state != IEEE80211_S_RUN) {
3714                 MWL_DBG(MWL_DBG_TX, "mwl: mwl_m_tx(): "
3715                     "discard, state %u\n", ic->ic_state);
3716                 freemsgchain(mp);
3717                 return (NULL);
3718         }
3719 
3720         while (mp != NULL) {
3721                 next = mp->b_next;
3722                 mp->b_next = NULL;
3723                 if (mwl_send(ic, mp, IEEE80211_FC0_TYPE_DATA) !=
3724                     DDI_SUCCESS) {
3725                         mp->b_next = next;
3726                         break;
3727                 }
3728                 mp = next;
3729         }
3730         return (mp);
3731 }
3732 
3733 static void
3734 mwl_m_ioctl(void* arg, queue_t *wq, mblk_t *mp)
3735 {
3736         struct mwl_softc *sc = (struct mwl_softc *)arg;
3737         struct ieee80211com *ic = &sc->sc_ic;
3738         int err;
3739 
3740         err = ieee80211_ioctl(ic, wq, mp);
3741         if (err == ENETRESET) {
3742                 if (ic->ic_des_esslen) {
3743                         if (MWL_IS_RUNNING(sc)) {
3744                                 (void) mwl_init(sc);
3745                                 (void) ieee80211_new_state(ic,
3746                                     IEEE80211_S_SCAN, -1);
3747                         }
3748                 }
3749         }
3750 }
3751 
3752 /*
3753  * Call back function for get/set proporty
3754  */
3755 static int
3756 mwl_m_getprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3757     uint_t wldp_length, void *wldp_buf)
3758 {
3759         struct mwl_softc *sc = (struct mwl_softc *)arg;
3760         int err = 0;
3761 
3762         err = ieee80211_getprop(&sc->sc_ic, pr_name, wldp_pr_num,
3763             wldp_length, wldp_buf);
3764 
3765         return (err);
3766 }
3767 
3768 static void
3769 mwl_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3770     mac_prop_info_handle_t prh)
3771 {
3772         struct mwl_softc *sc = (struct mwl_softc *)arg;
3773 
3774         ieee80211_propinfo(&sc->sc_ic, pr_name, wldp_pr_num, prh);
3775 }
3776 
3777 static int
3778 mwl_m_setprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3779     uint_t wldp_length, const void *wldp_buf)
3780 {
3781         struct mwl_softc *sc = (struct mwl_softc *)arg;
3782         ieee80211com_t *ic = &sc->sc_ic;
3783         int err;
3784 
3785         err = ieee80211_setprop(ic, pr_name, wldp_pr_num, wldp_length,
3786             wldp_buf);
3787         if (err == ENETRESET) {
3788                 if (ic->ic_des_esslen) {
3789                         if (MWL_IS_RUNNING(sc)) {
3790                                 (void) mwl_init(sc);
3791                                 (void) ieee80211_new_state(ic,
3792                                     IEEE80211_S_SCAN, -1);
3793                         }
3794                 }
3795                 err = 0;
3796         }
3797         return (err);
3798 }
3799 
3800 static int
3801 mwl_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd)
3802 {
3803         struct mwl_softc *sc;
3804         struct ieee80211com *ic;
3805         int i, err, qid, instance;
3806         int intr_type, intr_count, intr_actual;
3807         char strbuf[32];
3808         uint8_t csz;
3809         uint16_t vendor_id, device_id, command;
3810 
3811         wifi_data_t wd = { 0 };
3812         mac_register_t *macp;
3813 
3814         switch (cmd) {
3815         case DDI_ATTACH:
3816                 break;
3817         case DDI_RESUME:
3818                 sc = ddi_get_soft_state(mwl_soft_state_p,
3819                     ddi_get_instance(devinfo));
3820                 ASSERT(sc != NULL);
3821                 MWL_GLOCK(sc);
3822                 sc->sc_flags &= ~MWL_F_SUSPEND;
3823                 MWL_GUNLOCK(sc);
3824                 if (mwl_resume(sc) != 0) {
3825                         MWL_DBG(MWL_DBG_SR, "mwl: mwl_attach(): "
3826                             "failed to resume\n");
3827                         return (DDI_FAILURE);
3828                 }
3829                 if (MWL_IS_RUNNING(sc)) {
3830                         (void) mwl_init(sc);
3831                         ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3832                 }
3833                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_attach(): "
3834                     "resume now\n");
3835                 return (DDI_SUCCESS);
3836         default:
3837                 return (DDI_FAILURE);
3838         }
3839 
3840         instance = ddi_get_instance(devinfo);
3841         if (ddi_soft_state_zalloc(mwl_soft_state_p,
3842             ddi_get_instance(devinfo)) != DDI_SUCCESS) {
3843                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3844                     "Unable to alloc soft state\n");
3845                 return (DDI_FAILURE);
3846         }
3847 
3848         sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(devinfo));
3849         ic = &sc->sc_ic;
3850         sc->sc_dev = devinfo;
3851 
3852         /* PCI configuration space */
3853         err = ddi_regs_map_setup(devinfo, 0, (caddr_t *)&sc->sc_cfg_base, 0, 0,
3854             &mwl_reg_accattr, &sc->sc_cfg_handle);
3855         if (err != DDI_SUCCESS) {
3856                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3857                     "ddi_regs_map_setup() failed");
3858                 goto attach_fail0;
3859         }
3860         csz = ddi_get8(sc->sc_cfg_handle,
3861             (uint8_t *)(sc->sc_cfg_base + PCI_CONF_CACHE_LINESZ));
3862         if (!csz)
3863                 csz = 16;
3864         sc->sc_cachelsz = csz << 2;
3865         sc->sc_dmabuf_size = roundup(IEEE80211_MAX_LEN, sc->sc_cachelsz);
3866         vendor_id = ddi_get16(sc->sc_cfg_handle,
3867             (uint16_t *)(sc->sc_cfg_base + PCI_CONF_VENID));
3868         device_id = ddi_get16(sc->sc_cfg_handle,
3869             (uint16_t *)(sc->sc_cfg_base + PCI_CONF_DEVID));
3870         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3871             "vendor 0x%x, device id 0x%x, cache size %d\n",
3872             vendor_id, device_id, csz);
3873 
3874         /*
3875          * Enable response to memory space accesses,
3876          * and enabe bus master.
3877          */
3878         command = PCI_COMM_MAE | PCI_COMM_ME;
3879         ddi_put16(sc->sc_cfg_handle,
3880             (uint16_t *)((uintptr_t)(sc->sc_cfg_base) + PCI_CONF_COMM),
3881             command);
3882         ddi_put8(sc->sc_cfg_handle,
3883             (uint8_t *)(sc->sc_cfg_base + PCI_CONF_LATENCY_TIMER), 0xa8);
3884         ddi_put8(sc->sc_cfg_handle,
3885             (uint8_t *)(sc->sc_cfg_base + PCI_CONF_ILINE), 0x10);
3886 
3887         /* BAR0 */
3888         err = ddi_regs_map_setup(devinfo, 1,
3889             &sc->sc_mem_base, 0, 0, &mwl_reg_accattr, &sc->sc_mem_handle);
3890         if (err != DDI_SUCCESS) {
3891                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3892                     "i/o space failed");
3893                 goto attach_fail1;
3894         }
3895 
3896         /* BAR1 */
3897         err = ddi_regs_map_setup(devinfo, 2,
3898             &sc->sc_io_base, 0, 0, &mwl_reg_accattr, &sc->sc_io_handle);
3899         if (err != DDI_SUCCESS) {
3900                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3901                     "memory space failed");
3902                 goto attach_fail2;
3903         }
3904 
3905         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3906             "PCI configuration is done successfully\n");
3907 
3908         /*
3909          * Alloc cmd DMA buffer for firmware download
3910          */
3911         err = mwl_alloc_cmdbuf(sc);
3912         if (err != 0) {
3913                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3914                     "could not alloc cmd dma buffer\n");
3915                 goto attach_fail3;
3916         }
3917 
3918         sc->sc_imask = 0;
3919         sc->sc_hw_flags = 0;
3920         sc->sc_flags = 0;
3921 
3922         /*
3923          * Some cards have SDRAM.  When loading firmware we need
3924          * to reset the SDRAM controller prior to doing this.
3925          * When the SDRAMSIZE is non-zero we do that work in
3926          * mwl_hal_fwload.
3927          */
3928         switch (device_id) {
3929         case 0x2a02:            /* CB82 */
3930         case 0x2a03:            /* CB85 */
3931         case 0x2a08:            /* MC85_B1 */
3932         case 0x2a0b:            /* CB85AP */
3933         case 0x2a24:
3934                 sc->sc_SDRAMSIZE_Addr = 0x40fe70b7;  /* 8M SDRAM */
3935                 break;
3936         case 0x2a04:            /* MC85 */
3937                 sc->sc_SDRAMSIZE_Addr = 0x40fc70b7;  /* 16M SDRAM */
3938                 break;
3939         default:
3940                 break;
3941         }
3942 
3943         err = mwl_fwload(sc, NULL);
3944         if (err != 0) {
3945                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3946                     "firmware download failed\n");
3947                 goto attach_fail4;
3948         }
3949 
3950         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3951             "firmware download successfully\n");
3952 
3953         err = mwl_gethwspecs(sc);
3954         if (err != 0) {
3955                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3956                     "failed to get hw spec\n");
3957                 goto attach_fail4;
3958         }
3959 
3960         err = mwl_getchannels(sc);
3961         if (err != 0) {
3962                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3963                     "failed to get channels\n");
3964                 goto attach_fail4;
3965         }
3966 
3967         /*
3968          * Alloc rx DMA buffer
3969          */
3970         err = mwl_alloc_rx_ring(sc, MWL_RX_RING_COUNT);
3971         if (err != 0) {
3972                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3973                     "could not alloc cmd dma buffer\n");
3974                 goto attach_fail5;
3975         }
3976 
3977         /*
3978          * Alloc rx DMA buffer
3979          */
3980         for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++) {
3981                 err = mwl_alloc_tx_ring(sc,
3982                     &sc->sc_txring[qid], MWL_TX_RING_COUNT);
3983                 if (err != 0) {
3984                         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3985                             "could not alloc tx ring %d\n", qid);
3986                         goto attach_fail6;
3987                 }
3988         }
3989 
3990         err = mwl_setupdma(sc);
3991         if (err != 0) {
3992                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
3993                     "could not setup dma\n");
3994                 goto attach_fail6;
3995         }
3996 
3997         err = mwl_setup_txq(sc);
3998         if (err != 0) {
3999                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4000                     "could not setup txq\n");
4001                 goto attach_fail6;
4002         }
4003 
4004         IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->sc_hwspecs.macAddr);
4005         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4006             "mwl MAC:%2x:%2x:%2x:%2x:%2x:%2x\n",
4007             ic->ic_macaddr[0],
4008             ic->ic_macaddr[1],
4009             ic->ic_macaddr[2],
4010             ic->ic_macaddr[3],
4011             ic->ic_macaddr[4],
4012             ic->ic_macaddr[5]);
4013 
4014         err = mwl_hal_setmac_locked(sc, ic->ic_macaddr);
4015         if (err != 0) {                 /* NB: mwl_setupdma prints msg */
4016                 MWL_DBG(MWL_DBG_ATTACH, "mwl: attach(): "
4017                     "could not set mac\n");
4018                 goto attach_fail6;
4019         }
4020 
4021         mutex_init(&sc->sc_glock, NULL, MUTEX_DRIVER, NULL);
4022         mutex_init(&sc->sc_rxlock, NULL, MUTEX_DRIVER, NULL);
4023         mutex_init(&sc->sc_txlock, NULL, MUTEX_DRIVER, NULL);
4024 
4025 
4026         /* set supported rates */
4027         ic->ic_sup_rates[IEEE80211_MODE_11B] = mwl_rateset_11b;
4028         ic->ic_sup_rates[IEEE80211_MODE_11G] = mwl_rateset_11g;
4029 
4030         /* set supported .11b and .11g channels (1 through 14) */
4031         for (i = 1; i <= 14; i++) {
4032                 ic->ic_sup_channels[i].ich_freq =
4033                     ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
4034                 ic->ic_sup_channels[i].ich_flags =
4035                     IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
4036         }
4037 
4038         ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
4039         ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
4040         ic->ic_state = IEEE80211_S_INIT;
4041 
4042         /* set device capabilities */
4043         ic->ic_caps =
4044             IEEE80211_C_TXPMGT |        /* tx power management */
4045             IEEE80211_C_SHPREAMBLE |    /* short preamble supported */
4046             IEEE80211_C_SHSLOT;         /* short slot time supported */
4047 
4048         /* WPA/WPA2 support */
4049         ic->ic_caps |= IEEE80211_C_WPA; /* Support WPA/WPA2 */
4050 
4051         /* Enable hardware encryption */
4052         ic->ic_caps |= IEEE80211_C_WEP | IEEE80211_C_TKIP | IEEE80211_C_AES_CCM;
4053 
4054         ic->ic_xmit = mwl_send;
4055 
4056         ieee80211_attach(ic);
4057 
4058         /* register WPA door */
4059         ieee80211_register_door(ic, ddi_driver_name(devinfo),
4060             ddi_get_instance(devinfo));
4061 
4062         /* override state transition machine */
4063         sc->sc_newstate = ic->ic_newstate;
4064         ic->ic_newstate = mwl_newstate;
4065         ic->ic_node_alloc = mwl_node_alloc;
4066         ic->ic_node_free = mwl_node_free;
4067         ic->ic_crypto.cs_max_keyix = 0;
4068         ic->ic_crypto.cs_key_alloc = mwl_key_alloc;
4069         ic->ic_crypto.cs_key_delete = mwl_key_delete;
4070         ic->ic_crypto.cs_key_set = mwl_key_set;
4071 
4072         ieee80211_media_init(ic);
4073 
4074         ic->ic_def_txkey = 0;
4075 
4076         err = mwl_hal_newstation(sc, ic->ic_macaddr, 0, 0, NULL, 0, 0);
4077         if (err != 0) {
4078                 MWL_DBG(MWL_DBG_ATTACH, "mwl: attach(): "
4079                     "could not create new station\n");
4080                 goto attach_fail7;
4081         }
4082 
4083         IEEE80211_ADDR_COPY(ic->ic_bss->in_bssid, ic->ic_macaddr);
4084         // mwl_setglobalkeys(ic);
4085 
4086         err = ddi_intr_get_supported_types(devinfo, &intr_type);
4087         if ((err != DDI_SUCCESS) || (!(intr_type & DDI_INTR_TYPE_FIXED))) {
4088                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4089                     "fixed type interrupt is not supported\n");
4090                 goto attach_fail7;
4091         }
4092 
4093         err = ddi_intr_get_nintrs(devinfo, DDI_INTR_TYPE_FIXED, &intr_count);
4094         if ((err != DDI_SUCCESS) || (intr_count != 1)) {
4095                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4096                     "no fixed interrupts\n");
4097                 goto attach_fail7;
4098         }
4099 
4100         sc->sc_intr_htable = kmem_zalloc(sizeof (ddi_intr_handle_t), KM_SLEEP);
4101 
4102         err = ddi_intr_alloc(devinfo, sc->sc_intr_htable,
4103             DDI_INTR_TYPE_FIXED, 0, intr_count, &intr_actual, 0);
4104         if ((err != DDI_SUCCESS) || (intr_actual != 1)) {
4105                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4106                     "ddi_intr_alloc() failed 0x%x\n", err);
4107                 goto attach_fail8;
4108         }
4109 
4110         err = ddi_intr_get_pri(sc->sc_intr_htable[0], &sc->sc_intr_pri);
4111         if (err != DDI_SUCCESS) {
4112                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4113                     "ddi_intr_get_pri() failed 0x%x\n", err);
4114                 goto attach_fail9;
4115         }
4116 
4117         err = ddi_intr_add_softint(devinfo, &sc->sc_softintr_hdl,
4118             DDI_INTR_SOFTPRI_MAX, mwl_softintr, (caddr_t)sc);
4119         if (err != DDI_SUCCESS) {
4120                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4121                     "ddi_add_softintr() failed");
4122                 goto attach_fail9;
4123         }
4124 
4125         err = ddi_intr_add_handler(sc->sc_intr_htable[0], mwl_intr,
4126             (caddr_t)sc, NULL);
4127         if (err != DDI_SUCCESS) {
4128                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4129                     "ddi_intr_addr_handle() failed\n");
4130                 goto attach_fail10;
4131         }
4132 
4133         err = ddi_intr_enable(sc->sc_intr_htable[0]);
4134         if (err != DDI_SUCCESS) {
4135                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4136                     "ddi_intr_enable() failed\n");
4137                 goto attach_fail11;
4138         }
4139 
4140         /*
4141          * Provide initial settings for the WiFi plugin; whenever this
4142          * information changes, we need to call mac_plugindata_update()
4143          */
4144         wd.wd_opmode = ic->ic_opmode;
4145         wd.wd_secalloc = WIFI_SEC_NONE;
4146         IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_bss->in_bssid);
4147 
4148         if ((macp = mac_alloc(MAC_VERSION)) == NULL) {
4149                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4150                     "MAC version mismatch\n");
4151                 goto attach_fail12;
4152         }
4153 
4154         macp->m_type_ident   = MAC_PLUGIN_IDENT_WIFI;
4155         macp->m_driver               = sc;
4156         macp->m_dip          = devinfo;
4157         macp->m_src_addr     = ic->ic_macaddr;
4158         macp->m_callbacks    = &mwl_m_callbacks;
4159         macp->m_min_sdu              = 0;
4160         macp->m_max_sdu              = IEEE80211_MTU;
4161         macp->m_pdata                = &wd;
4162         macp->m_pdata_size   = sizeof (wd);
4163 
4164         err = mac_register(macp, &ic->ic_mach);
4165         mac_free(macp);
4166         if (err != 0) {
4167                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4168                     "mac_register err %x\n", err);
4169                 goto attach_fail12;
4170         }
4171 
4172         /*
4173          * Create minor node of type DDI_NT_NET_WIFI
4174          */
4175         (void) snprintf(strbuf, sizeof (strbuf), "%s%d",
4176             "mwl", instance);
4177         err = ddi_create_minor_node(devinfo, strbuf, S_IFCHR,
4178             instance + 1, DDI_NT_NET_WIFI, 0);
4179         if (err != 0) {
4180                 MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4181                     "create minor node error\n");
4182                 goto attach_fail13;
4183         }
4184 
4185         /*
4186          * Notify link is down now
4187          */
4188         mac_link_update(ic->ic_mach, LINK_STATE_DOWN);
4189 
4190         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_attach(): "
4191             "driver attach successfully\n");
4192         return (DDI_SUCCESS);
4193 
4194 attach_fail13:
4195         (void) mac_disable(ic->ic_mach);
4196         (void) mac_unregister(ic->ic_mach);
4197 attach_fail12:
4198         (void) ddi_intr_disable(sc->sc_intr_htable[0]);
4199 attach_fail11:
4200         (void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
4201 attach_fail10:
4202         (void) ddi_intr_remove_softint(sc->sc_softintr_hdl);
4203         sc->sc_softintr_hdl = NULL;
4204 attach_fail9:
4205         (void) ddi_intr_free(sc->sc_intr_htable[0]);
4206 attach_fail8:
4207         kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
4208 attach_fail7:
4209         mutex_destroy(&sc->sc_txlock);
4210         mutex_destroy(&sc->sc_rxlock);
4211         mutex_destroy(&sc->sc_glock);
4212 attach_fail6:
4213         while (--qid >= 0)
4214                 mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4215 attach_fail5:
4216         mwl_free_rx_ring(sc);
4217 attach_fail4:
4218         mwl_free_cmdbuf(sc);
4219 attach_fail3:
4220         ddi_regs_map_free(&sc->sc_mem_handle);
4221 attach_fail2:
4222         ddi_regs_map_free(&sc->sc_io_handle);
4223 attach_fail1:
4224         ddi_regs_map_free(&sc->sc_cfg_handle);
4225 attach_fail0:
4226         ddi_soft_state_free(mwl_soft_state_p, ddi_get_instance(devinfo));
4227         return (DDI_FAILURE);
4228 }
4229 
4230 static int32_t
4231 mwl_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd)
4232 {
4233         struct mwl_softc *sc;
4234         int qid;
4235 
4236         sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(devinfo));
4237         ASSERT(sc != NULL);
4238 
4239         switch (cmd) {
4240         case DDI_DETACH:
4241                 break;
4242         case DDI_SUSPEND:
4243                 if (MWL_IS_RUNNING(sc))
4244                         mwl_stop(sc);
4245                 for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++)
4246                         mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4247                 mwl_free_rx_ring(sc);
4248                 MWL_GLOCK(sc);
4249                 sc->sc_flags |= MWL_F_SUSPEND;
4250                 MWL_GUNLOCK(sc);
4251                 MWL_DBG(MWL_DBG_SR, "mwl: mwl_detach(): "
4252                     "suspend now\n");
4253                 return (DDI_SUCCESS);
4254         default:
4255                 return (DDI_FAILURE);
4256         }
4257 
4258         if (mac_disable(sc->sc_ic.ic_mach) != 0)
4259                 return (DDI_FAILURE);
4260 
4261         /*
4262          * Unregister from the MAC layer subsystem
4263          */
4264         (void) mac_unregister(sc->sc_ic.ic_mach);
4265 
4266         (void) ddi_intr_remove_softint(sc->sc_softintr_hdl);
4267         sc->sc_softintr_hdl = NULL;
4268         (void) ddi_intr_disable(sc->sc_intr_htable[0]);
4269         (void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
4270         (void) ddi_intr_free(sc->sc_intr_htable[0]);
4271         kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
4272 
4273         /*
4274          * detach ieee80211 layer
4275          */
4276         ieee80211_detach(&sc->sc_ic);
4277 
4278 
4279         for (qid = 0; qid < MWL_NUM_TX_QUEUES; qid++)
4280                 mwl_free_tx_ring(sc, &sc->sc_txring[qid]);
4281         mwl_free_rx_ring(sc);
4282         mwl_free_cmdbuf(sc);
4283 
4284         mutex_destroy(&sc->sc_txlock);
4285         mutex_destroy(&sc->sc_rxlock);
4286         mutex_destroy(&sc->sc_glock);
4287 
4288         ddi_regs_map_free(&sc->sc_mem_handle);
4289         ddi_regs_map_free(&sc->sc_io_handle);
4290         ddi_regs_map_free(&sc->sc_cfg_handle);
4291 
4292         ddi_remove_minor_node(devinfo, NULL);
4293         ddi_soft_state_free(mwl_soft_state_p, ddi_get_instance(devinfo));
4294 
4295         MWL_DBG(MWL_DBG_ATTACH, "mwl: mwl_detach(): "
4296             "detach successfully\n");
4297         return (DDI_SUCCESS);
4298 }
4299 
4300 /*
4301  * quiesce(9E) entry point.
4302  *
4303  * This function is called when the system is single-threaded at high
4304  * PIL with preemption disabled. Therefore, this function must not be
4305  * blocked.
4306  *
4307  * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure.
4308  * DDI_FAILURE indicates an error condition and should almost never happen.
4309  */
4310 int
4311 mwl_quiesce(dev_info_t *dip)
4312 {
4313         struct mwl_softc *sc;
4314 
4315         sc = ddi_get_soft_state(mwl_soft_state_p, ddi_get_instance(dip));
4316         if (sc == NULL)
4317                 return (DDI_FAILURE);
4318 
4319 #ifdef DEBUG
4320         mwl_dbg_flags = 0;
4321 #endif
4322 
4323         /*
4324          * No more blocking is allowed while we are in quiesce(9E) entry point
4325          */
4326         sc->sc_flags |= MWL_F_QUIESCE;
4327 
4328         /*
4329          * Disable all interrupts
4330          */
4331         mwl_stop(sc);
4332         return (DDI_SUCCESS);
4333 }
4334 
4335 int
4336 _init(void)
4337 {
4338         int status;
4339 
4340         status = ddi_soft_state_init(&mwl_soft_state_p,
4341             sizeof (struct mwl_softc), 1);
4342         if (status != 0)
4343                 return (status);
4344 
4345         mac_init_ops(&mwl_dev_ops, "mwl");
4346         status = mod_install(&modlinkage);
4347         if (status != 0) {
4348                 mac_fini_ops(&mwl_dev_ops);
4349                 ddi_soft_state_fini(&mwl_soft_state_p);
4350         }
4351         return (status);
4352 }
4353 
4354 int
4355 _info(struct modinfo *modinfop)
4356 {
4357         return (mod_info(&modlinkage, modinfop));
4358 }
4359 
4360 int
4361 _fini(void)
4362 {
4363         int status;
4364 
4365         status = mod_remove(&modlinkage);
4366         if (status == 0) {
4367                 mac_fini_ops(&mwl_dev_ops);
4368                 ddi_soft_state_fini(&mwl_soft_state_p);
4369         }
4370         return (status);
4371 }