sys/dev/netif/wpi/if_wpivar.h

   1 /*      $FreeBSD$       */
   2
   3 /*-
   4  * Copyright (c) 2006,2007
   5  *      Damien Bergamini <damien.bergamini@free.fr>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19 struct wpi_rx_radiotap_header {
  20         struct ieee80211_radiotap_header wr_ihdr;
  21         uint64_t        wr_tsft;
  22         uint8_t         wr_flags;
  23         uint8_t         wr_rate;
  24         uint16_t        wr_chan_freq;
  25         uint16_t        wr_chan_flags;
  26         int8_t          wr_dbm_antsignal;
  27         int8_t          wr_dbm_antnoise;
  28         uint8_t         wr_antenna;
  29 } __packed;
  30
  31 #define WPI_RX_RADIOTAP_PRESENT                                         \
  32         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
  33          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  34          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  35          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  36          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                      \
  37          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |                       \
  38          (1 << IEEE80211_RADIOTAP_ANTENNA))
  39
  40 struct wpi_tx_radiotap_header {
  41         struct ieee80211_radiotap_header wt_ihdr;
  42         uint8_t         wt_flags;
  43         uint8_t         wt_rate;
  44         uint16_t        wt_chan_freq;
  45         uint16_t        wt_chan_flags;
  46 } __packed;
  47
  48 #define WPI_TX_RADIOTAP_PRESENT                                         \
  49         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  50          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  51          (1 << IEEE80211_RADIOTAP_CHANNEL))
  52
  53 struct wpi_dma_info {
  54         bus_dma_tag_t           tag;
  55         bus_dmamap_t            map;
  56         bus_addr_t              paddr;
  57         caddr_t                 vaddr;
  58         bus_size_t              size;
  59 };
  60
  61 struct wpi_tx_data {
  62         bus_dmamap_t            map;
  63         bus_addr_t              cmd_paddr;
  64         struct mbuf             *m;
  65         struct ieee80211_node   *ni;
  66 };
  67
  68 struct wpi_tx_ring {
  69         struct wpi_dma_info     desc_dma;
  70         struct wpi_dma_info     cmd_dma;
  71         struct wpi_tx_desc      *desc;
  72         struct wpi_tx_cmd       *cmd;
  73         struct wpi_tx_data      data[WPI_TX_RING_COUNT];
  74         bus_dma_tag_t           data_dmat;
  75         uint8_t                 qid;
  76         uint8_t                 cur;
  77         uint8_t                 pending;
  78         int16_t                 queued;
  79         int                     update:1;
  80 };
  81
  82 struct wpi_rx_data {
  83         struct mbuf     *m;
  84         bus_dmamap_t    map;
  85 };
  86
  87 struct wpi_rx_ring {
  88         struct wpi_dma_info     desc_dma;
  89         uint32_t                *desc;
  90         struct wpi_rx_data      data[WPI_RX_RING_COUNT];
  91         bus_dma_tag_t           data_dmat;
  92         uint16_t                cur;
  93         int                     update;
  94 };
  95
  96 struct wpi_node {
  97         struct ieee80211_node   ni;     /* must be the first */
  98         uint8_t                 id;
  99 };
 100 #define WPI_NODE(ni)    ((struct wpi_node *)(ni))
 101
 102 struct wpi_power_sample {
 103         uint8_t index;
 104         int8_t  power;
 105 };
 106
 107 struct wpi_power_group {
 108 #define WPI_SAMPLES_COUNT       5
 109         struct wpi_power_sample samples[WPI_SAMPLES_COUNT];
 110         uint8_t chan;
 111         int8_t  maxpwr;
 112         int16_t temp;
 113 };
 114
 115 struct wpi_buf {
 116         uint8_t                 data[56];  /* sizeof(struct wpi_cmd_beacon) */
 117         struct ieee80211_node   *ni;
 118         struct mbuf             *m;
 119         size_t                  size;
 120         uint8_t                 code;
 121         uint16_t                ac;
 122 };
 123
 124 struct wpi_vap {
 125         struct ieee80211vap     wv_vap;
 126
 127         struct wpi_buf          wv_bcbuf;
 128 #if defined(__DragonFly__)
 129         struct lock             wv_mtx;
 130 #else
 131         struct mtx              wv_mtx;
 132 #endif
 133
 134         uint8_t                 wv_gtk;
 135 #define WPI_VAP_KEY(kid)        (1 << kid)
 136
 137         int                     (*wv_newstate)(struct ieee80211vap *,
 138                                     enum ieee80211_state, int);
 139         void                    (*wv_recv_mgmt)(struct ieee80211_node *,
 140                                     struct mbuf *, int,
 141                                     const struct ieee80211_rx_stats *,
 142                                     int, int);
 143 };
 144 #define WPI_VAP(vap)    ((struct wpi_vap *)(vap))
 145
 146 #define WPI_VAP_LOCK_INIT(_wvp) \
 147         lockinit(&(_wvp)->wv_mtx, "lock for wv_bcbuf/wv_boff structures", 0, 0)
 148 #define WPI_VAP_LOCK(_wvp)              lockmgr(&(_wvp)->wv_mtx, LK_EXCLUSIVE)
 149 #define WPI_VAP_UNLOCK(_wvp)            lockmgr(&(_wvp)->wv_mtx, LK_RELEASE)
 150 #define WPI_VAP_LOCK_ASSERT(_wvp)       KKASSERT(lockstatus(&(_wvp)->wv_mtx, curthread) == LK_EXCLUSIVE)
 151 #define WPI_VAP_LOCK_DESTROY(_wvp)      lockuninit(&(_wvp)->wv_mtx)
 152
 153 struct wpi_fw_part {
 154         const uint8_t   *text;
 155         uint32_t        textsz;
 156         const uint8_t   *data;
 157         uint32_t        datasz;
 158 };
 159
 160 struct wpi_fw_info {
 161         const uint8_t           *data;
 162         size_t                  size;
 163         struct wpi_fw_part      init;
 164         struct wpi_fw_part      main;
 165         struct wpi_fw_part      boot;
 166 };
 167
 168 struct wpi_softc {
 169         device_t                sc_dev;
 170         int                     sc_debug;
 171
 172         int                     sc_running;
 173
 174 #if defined(__DragonFly__)
 175         struct lock             sc_mtx;
 176 #else
 177         struct mtx              sc_mtx;
 178 #endif
 179         struct ieee80211com     sc_ic;
 180
 181 #if defined(__DragonFly__)
 182         struct lock             tx_mtx;
 183 #else
 184         struct mtx              tx_mtx;
 185 #endif
 186
 187         /* Shared area. */
 188         struct wpi_dma_info     shared_dma;
 189         struct wpi_shared       *shared;
 190
 191         struct wpi_tx_ring      txq[WPI_DRV_NTXQUEUES];
 192 #if defined(__DragonFly__)
 193         struct lock             txq_mtx;
 194         struct lock             txq_state_mtx;
 195 #else
 196         struct mtx              txq_mtx;
 197         struct mtx              txq_state_mtx;
 198 #endif
 199
 200         struct wpi_rx_ring      rxq;
 201         uint64_t                rx_tstamp;
 202
 203         /* TX Thermal Callibration. */
 204         struct callout          calib_to;
 205
 206         struct callout          scan_timeout;
 207         struct callout          tx_timeout;
 208
 209         /* Watch dog timer. */
 210         struct callout          watchdog_rfkill;
 211
 212         /* Firmware image. */
 213         struct wpi_fw_info      fw;
 214         uint32_t                errptr;
 215
 216         struct resource         *irq;
 217         struct resource         *mem;
 218         bus_space_tag_t         sc_st;
 219         bus_space_handle_t      sc_sh;
 220         void                    *sc_ih;
 221         bus_size_t              sc_sz;
 222         int                     sc_cap_off;     /* PCIe Capabilities. */
 223
 224         struct wpi_rxon         rxon;
 225 #if defined(__DragonFly__)
 226         struct lock             rxon_mtx;
 227 #else
 228         struct mtx              rxon_mtx;
 229 #endif
 230
 231         int                     temp;
 232
 233         uint32_t                nodesmsk;
 234 #if defined(__DragonFly__)
 235         struct lock             nt_mtx;
 236 #else
 237         struct mtx              nt_mtx;
 238 #endif
 239
 240         void                    (*sc_node_free)(struct ieee80211_node *);
 241         void                    (*sc_update_rx_ring)(struct wpi_softc *);
 242         void                    (*sc_update_tx_ring)(struct wpi_softc *,
 243                                     struct wpi_tx_ring *);
 244
 245         struct wpi_rx_radiotap_header   sc_rxtap;
 246         struct wpi_tx_radiotap_header   sc_txtap;
 247
 248         /* Firmware image. */
 249         const struct firmware   *fw_fp;
 250
 251         /* Firmware DMA transfer. */
 252         struct wpi_dma_info     fw_dma;
 253
 254         /* Tasks used by the driver. */
 255         struct task             sc_radiooff_task;
 256         struct task             sc_radioon_task;
 257
 258         /* Eeprom info. */
 259         uint8_t                 cap;
 260         uint16_t                rev;
 261         uint8_t                 type;
 262         struct wpi_eeprom_chan
 263             eeprom_channels[WPI_CHAN_BANDS_COUNT][WPI_MAX_CHAN_PER_BAND];
 264         struct wpi_power_group  groups[WPI_POWER_GROUPS_COUNT];
 265         int8_t                  maxpwr[IEEE80211_CHAN_MAX];
 266         char                    domain[4];      /* Regulatory domain. */
 267 };
 268
 269 /*
 270  * Locking order:
 271  * 1. WPI_LOCK;
 272  * 2. WPI_RXON_LOCK;
 273  * 3. WPI_TX_LOCK;
 274  * 4. WPI_NT_LOCK / WPI_VAP_LOCK;
 275  * 5. WPI_TXQ_LOCK;
 276  * 6. WPI_TXQ_STATE_LOCK;
 277  */
 278
 279 #if defined(__DragonFly__)
 280
 281 #define WPI_LOCK_INIT(_sc) \
 282         lockinit(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), 0, 0);
 283 #define WPI_LOCK(_sc)           lockmgr(&(_sc)->sc_mtx, LK_EXCLUSIVE)
 284 #define WPI_UNLOCK(_sc)         lockmgr(&(_sc)->sc_mtx, LK_RELEASE)
 285 #define WPI_LOCK_ASSERT(_sc)    KKASSERT(lockstatus(&(_sc)->sc_mtx, curthread) == LK_EXCLUSIVE)
 286 #define WPI_LOCK_DESTROY(_sc)   lockuninit(&(_sc)->sc_mtx)
 287
 288 #define WPI_RXON_LOCK_INIT(_sc) \
 289         lockinit(&(_sc)->rxon_mtx, "lock for wpi_rxon structure", 0, 0)
 290 #define WPI_RXON_LOCK(_sc)              lockmgr(&(_sc)->rxon_mtx, LK_EXCLUSIVE)
 291 #define WPI_RXON_UNLOCK(_sc)            lockmgr(&(_sc)->rxon_mtx, LK_RELEASE)
 292 #define WPI_RXON_LOCK_ASSERT(_sc)       KKASSERT(lockstatus(&(_sc)->rxon_mtx, curthread) == LK_EXCLUSIVE)
 293 #define WPI_RXON_LOCK_DESTROY(_sc)      lockuninit(&(_sc)->rxon_mtx)
 294
 295 #define WPI_TX_LOCK_INIT(_sc) \
 296         lockinit(&(_sc)->tx_mtx, "tx path lock", 0, 0)
 297 #define WPI_TX_LOCK(_sc)                lockmgr(&(_sc)->tx_mtx, LK_EXCLUSIVE)
 298 #define WPI_TX_UNLOCK(_sc)              lockmgr(&(_sc)->tx_mtx, LK_RELEASE)
 299 #define WPI_TX_LOCK_DESTROY(_sc)        lockuninit(&(_sc)->tx_mtx)
 300
 301 #define WPI_NT_LOCK_INIT(_sc) \
 302         lockinit(&(_sc)->nt_mtx, "node table lock", 0, 0)
 303 #define WPI_NT_LOCK(_sc)                lockmgr(&(_sc)->nt_mtx, LK_EXCLUSIVE)
 304 #define WPI_NT_UNLOCK(_sc)              lockmgr(&(_sc)->nt_mtx, LK_RELEASE)
 305 #define WPI_NT_LOCK_DESTROY(_sc)        lockuninit(&(_sc)->nt_mtx)
 306
 307 #define WPI_TXQ_LOCK_INIT(_sc) \
 308         lockinit(&(_sc)->txq_mtx, "txq/cmdq lock", 0, 0)
 309 #define WPI_TXQ_LOCK(_sc)               lockmgr(&(_sc)->txq_mtx, LK_EXCLUSIVE)
 310 #define WPI_TXQ_UNLOCK(_sc)             lockmgr(&(_sc)->txq_mtx, LK_RELEASE)
 311 #define WPI_TXQ_LOCK_DESTROY(_sc)       lockuninit(&(_sc)->txq_mtx)
 312
 313 #define WPI_TXQ_STATE_LOCK_INIT(_sc) \
 314         lockinit(&(_sc)->txq_state_mtx, "txq state lock", 0, 0)
 315 #define WPI_TXQ_STATE_LOCK(_sc)         lockmgr(&(_sc)->txq_state_mtx, LK_EXCLUSIVE)
 316 #define WPI_TXQ_STATE_UNLOCK(_sc)       lockmgr(&(_sc)->txq_state_mtx, LK_RELEASE)
 317 #define WPI_TXQ_STATE_LOCK_DESTROY(_sc) lockuninit(&(_sc)->txq_state_mtx)
 318
 319 #else
 320
 321 #define WPI_LOCK_INIT(_sc) \
 322         mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
 323             MTX_NETWORK_LOCK, MTX_DEF)
 324 #define WPI_LOCK(_sc)           mtx_lock(&(_sc)->sc_mtx)
 325 #define WPI_UNLOCK(_sc)         mtx_unlock(&(_sc)->sc_mtx)
 326 #define WPI_LOCK_ASSERT(_sc)    mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
 327 #define WPI_LOCK_DESTROY(_sc)   mtx_destroy(&(_sc)->sc_mtx)
 328
 329 #define WPI_RXON_LOCK_INIT(_sc) \
 330         mtx_init(&(_sc)->rxon_mtx, "lock for wpi_rxon structure", NULL, MTX_DEF)
 331 #define WPI_RXON_LOCK(_sc)              mtx_lock(&(_sc)->rxon_mtx)
 332 #define WPI_RXON_UNLOCK(_sc)            mtx_unlock(&(_sc)->rxon_mtx)
 333 #define WPI_RXON_LOCK_ASSERT(_sc)       mtx_assert(&(_sc)->rxon_mtx, MA_OWNED)
 334 #define WPI_RXON_LOCK_DESTROY(_sc)      mtx_destroy(&(_sc)->rxon_mtx)
 335
 336 #define WPI_TX_LOCK_INIT(_sc) \
 337         mtx_init(&(_sc)->tx_mtx, "tx path lock", NULL, MTX_DEF)
 338 #define WPI_TX_LOCK(_sc)                mtx_lock(&(_sc)->tx_mtx)
 339 #define WPI_TX_UNLOCK(_sc)              mtx_unlock(&(_sc)->tx_mtx)
 340 #define WPI_TX_LOCK_DESTROY(_sc)        mtx_destroy(&(_sc)->tx_mtx)
 341
 342 #define WPI_NT_LOCK_INIT(_sc) \
 343         mtx_init(&(_sc)->nt_mtx, "node table lock", NULL, MTX_DEF)
 344 #define WPI_NT_LOCK(_sc)                mtx_lock(&(_sc)->nt_mtx)
 345 #define WPI_NT_UNLOCK(_sc)              mtx_unlock(&(_sc)->nt_mtx)
 346 #define WPI_NT_LOCK_DESTROY(_sc)        mtx_destroy(&(_sc)->nt_mtx)
 347
 348 #define WPI_TXQ_LOCK_INIT(_sc) \
 349         mtx_init(&(_sc)->txq_mtx, "txq/cmdq lock", NULL, MTX_DEF)
 350 #define WPI_TXQ_LOCK(_sc)               mtx_lock(&(_sc)->txq_mtx)
 351 #define WPI_TXQ_UNLOCK(_sc)             mtx_unlock(&(_sc)->txq_mtx)
 352 #define WPI_TXQ_LOCK_DESTROY(_sc)       mtx_destroy(&(_sc)->txq_mtx)
 353
 354 #define WPI_TXQ_STATE_LOCK_INIT(_sc) \
 355         mtx_init(&(_sc)->txq_state_mtx, "txq state lock", NULL, MTX_DEF)
 356 #define WPI_TXQ_STATE_LOCK(_sc)         mtx_lock(&(_sc)->txq_state_mtx)
 357 #define WPI_TXQ_STATE_UNLOCK(_sc)       mtx_unlock(&(_sc)->txq_state_mtx)
 358 #define WPI_TXQ_STATE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->txq_state_mtx)
 359
 360 #endif