1 /* $FreeBSD$ */ 2 /* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */ 3 4 /*- 5 * Copyright (c) 2013 Cedric GROSS <cg@cgross.info> 6 * Copyright (c) 2011 Intel Corporation 7 * Copyright (c) 2007, 2008 8 * Damien Bergamini <damien.bergamini@free.fr> 9 * Copyright (c) 2008 Sam Leffler, Errno Consulting 10 * 11 * Permission to use, copy, modify, and distribute this software for any 12 * purpose with or without fee is hereby granted, provided that the above 13 * copyright notice and this permission notice appear in all copies. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 21 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 */ 23 enum iwn_rxon_ctx_id { 24 IWN_RXON_BSS_CTX, 25 IWN_RXON_PAN_CTX, 26 IWN_NUM_RXON_CTX 27 }; 28 29 struct iwn_pan_slot { 30 uint16_t time; 31 uint8_t type; 32 uint8_t reserved; 33 } __packed; 34 35 struct iwn_pan_params_cmd { 36 uint16_t flags; 37 #define IWN_PAN_PARAMS_FLG_SLOTTED_MODE (1 << 3) 38 39 uint8_t reserved; 40 uint8_t num_slots; 41 struct iwn_pan_slot slots[10]; 42 } __packed; 43 44 struct iwn_led_mode 45 { 46 uint8_t led_cur_mode; 47 uint64_t led_cur_bt; 48 uint64_t led_last_bt; 49 uint64_t led_cur_tpt; 50 uint64_t led_last_tpt; 51 uint64_t led_bt_diff; 52 int led_cur_time; 53 int led_last_time; 54 }; 55 56 struct iwn_rx_radiotap_header { 57 struct ieee80211_radiotap_header wr_ihdr; 58 uint64_t wr_tsft; 59 uint8_t wr_flags; 60 uint8_t wr_rate; 61 uint16_t wr_chan_freq; 62 uint16_t wr_chan_flags; 63 int8_t wr_dbm_antsignal; 64 int8_t wr_dbm_antnoise; 65 } __packed __aligned(8); 66 67 #define IWN_RX_RADIOTAP_PRESENT \ 68 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 69 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 70 (1 << IEEE80211_RADIOTAP_RATE) | \ 71 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 72 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 73 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) 74 75 struct iwn_tx_radiotap_header { 76 struct ieee80211_radiotap_header wt_ihdr; 77 uint8_t wt_flags; 78 uint8_t wt_rate; 79 uint16_t wt_chan_freq; 80 uint16_t wt_chan_flags; 81 } __packed; 82 83 #define IWN_TX_RADIOTAP_PRESENT \ 84 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 85 (1 << IEEE80211_RADIOTAP_RATE) | \ 86 (1 << IEEE80211_RADIOTAP_CHANNEL)) 87 88 struct iwn_dma_info { 89 bus_dma_tag_t tag; 90 bus_dmamap_t map; 91 bus_dma_segment_t seg; 92 bus_addr_t paddr; 93 caddr_t vaddr; 94 bus_size_t size; 95 }; 96 97 struct iwn_tx_data { 98 bus_dmamap_t map; 99 bus_addr_t cmd_paddr; 100 bus_addr_t scratch_paddr; 101 struct mbuf *m; 102 struct ieee80211_node *ni; 103 unsigned int remapped:1; 104 unsigned int long_retries:7; 105 #define IWN_LONG_RETRY_FW_OVERFLOW 0x10 106 #define IWN_LONG_RETRY_LIMIT_LOG 7 107 #define IWN_LONG_RETRY_LIMIT ((1 << IWN_LONG_RETRY_LIMIT_LOG) - 3) 108 }; 109 110 struct iwn_tx_ring { 111 struct iwn_dma_info desc_dma; 112 struct iwn_dma_info cmd_dma; 113 struct iwn_tx_desc *desc; 114 struct iwn_tx_cmd *cmd; 115 struct iwn_tx_data data[IWN_TX_RING_COUNT]; 116 bus_dma_tag_t data_dmat; 117 int qid; 118 int queued; 119 int cur; 120 int read; 121 }; 122 123 struct iwn_softc; 124 125 struct iwn_rx_data { 126 struct mbuf *m; 127 bus_dmamap_t map; 128 }; 129 130 struct iwn_rx_ring { 131 struct iwn_dma_info desc_dma; 132 struct iwn_dma_info stat_dma; 133 uint32_t *desc; 134 struct iwn_rx_status *stat; 135 struct iwn_rx_data data[IWN_RX_RING_COUNT]; 136 bus_dma_tag_t data_dmat; 137 int cur; 138 }; 139 140 struct iwn_node { 141 struct ieee80211_node ni; /* must be the first */ 142 uint16_t disable_tid; 143 uint8_t id; 144 struct { 145 uint64_t bitmap; 146 int short_retries; 147 int startidx; 148 } agg[IEEE80211_TID_SIZE]; 149 }; 150 151 struct iwn_calib_state { 152 uint8_t state; 153 #define IWN_CALIB_STATE_INIT 0 154 #define IWN_CALIB_STATE_ASSOC 1 155 #define IWN_CALIB_STATE_RUN 2 156 157 u_int nbeacons; 158 uint32_t noise[3]; 159 uint32_t rssi[3]; 160 uint32_t ofdm_x1; 161 uint32_t ofdm_mrc_x1; 162 uint32_t ofdm_x4; 163 uint32_t ofdm_mrc_x4; 164 uint32_t cck_x4; 165 uint32_t cck_mrc_x4; 166 uint32_t bad_plcp_ofdm; 167 uint32_t fa_ofdm; 168 uint32_t bad_plcp_cck; 169 uint32_t fa_cck; 170 uint32_t low_fa; 171 uint32_t bad_plcp_ht; 172 uint8_t cck_state; 173 #define IWN_CCK_STATE_INIT 0 174 #define IWN_CCK_STATE_LOFA 1 175 #define IWN_CCK_STATE_HIFA 2 176 177 uint8_t noise_samples[20]; 178 u_int cur_noise_sample; 179 uint8_t noise_ref; 180 uint32_t energy_samples[10]; 181 u_int cur_energy_sample; 182 uint32_t energy_cck; 183 }; 184 185 struct iwn_calib_info { 186 uint8_t *buf; 187 u_int len; 188 }; 189 190 struct iwn_fw_part { 191 const uint8_t *text; 192 uint32_t textsz; 193 const uint8_t *data; 194 uint32_t datasz; 195 }; 196 197 struct iwn_fw_info { 198 const uint8_t *data; 199 size_t size; 200 struct iwn_fw_part init; 201 struct iwn_fw_part main; 202 struct iwn_fw_part boot; 203 }; 204 205 struct iwn_ops { 206 int (*load_firmware)(struct iwn_softc *); 207 void (*read_eeprom)(struct iwn_softc *); 208 int (*post_alive)(struct iwn_softc *); 209 int (*nic_config)(struct iwn_softc *); 210 void (*update_sched)(struct iwn_softc *, int, int, uint8_t, 211 uint16_t); 212 int (*get_temperature)(struct iwn_softc *); 213 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *); 214 int (*set_txpower)(struct iwn_softc *, int); 215 int (*init_gains)(struct iwn_softc *); 216 int (*set_gains)(struct iwn_softc *); 217 int (*rxon_assoc)(struct iwn_softc *, int); 218 int (*add_node)(struct iwn_softc *, struct iwn_node_info *, 219 int); 220 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *, 221 struct iwn_rx_data *); 222 void (*ampdu_tx_start)(struct iwn_softc *, 223 struct ieee80211_node *, int, uint8_t, uint16_t); 224 void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t, 225 uint16_t); 226 }; 227 228 struct iwn_vap { 229 struct ieee80211vap iv_vap; 230 uint8_t iv_ridx; 231 232 int (*iv_newstate)(struct ieee80211vap *, 233 enum ieee80211_state, int); 234 int ctx; 235 int beacon_int; 236 237 }; 238 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap)) 239 240 struct iwn_softc { 241 device_t sc_dev; 242 int sc_debug; 243 struct cdev *sc_cdev; 244 struct mtx sc_mtx; 245 struct ieee80211com sc_ic; 246 struct ieee80211_ratectl_tx_status sc_txs; 247 248 u_int sc_flags; 249 #define IWN_FLAG_HAS_OTPROM (1 << 1) 250 #define IWN_FLAG_CALIB_DONE (1 << 2) 251 #define IWN_FLAG_USE_ICT (1 << 3) 252 #define IWN_FLAG_INTERNAL_PA (1 << 4) 253 #define IWN_FLAG_HAS_11N (1 << 6) 254 #define IWN_FLAG_ENH_SENS (1 << 7) 255 #define IWN_FLAG_ADV_BTCOEX (1 << 8) 256 #define IWN_FLAG_PAN_SUPPORT (1 << 9) 257 #define IWN_FLAG_BTCOEX (1 << 10) 258 #define IWN_FLAG_RUNNING (1 << 11) 259 260 uint8_t hw_type; 261 /* subdevice_id used to adjust configuration */ 262 uint16_t subdevice_id; 263 264 struct iwn_ops ops; 265 const char *fwname; 266 const struct iwn_sensitivity_limits 267 *limits; 268 int ntxqs; 269 int firstaggqueue; 270 int ndmachnls; 271 uint8_t broadcast_id; 272 int rxonsz; 273 int schedsz; 274 uint32_t fw_text_maxsz; 275 uint32_t fw_data_maxsz; 276 uint32_t fwsz; 277 bus_size_t sched_txfact_addr; 278 uint32_t reset_noise_gain; 279 uint32_t noise_gain; 280 281 /* TX scheduler rings. */ 282 struct iwn_dma_info sched_dma; 283 uint16_t *sched; 284 uint32_t sched_base; 285 286 /* "Keep Warm" page. */ 287 struct iwn_dma_info kw_dma; 288 289 /* Firmware image. */ 290 const struct firmware *fw_fp; 291 292 /* Firmware DMA transfer. */ 293 struct iwn_dma_info fw_dma; 294 295 /* ICT table. */ 296 struct iwn_dma_info ict_dma; 297 uint32_t *ict; 298 int ict_cur; 299 300 /* TX/RX rings. */ 301 struct iwn_tx_ring txq[IWN5000_NTXQUEUES]; 302 struct iwn_rx_ring rxq; 303 304 struct resource *mem; 305 bus_space_tag_t sc_st; 306 bus_space_handle_t sc_sh; 307 struct resource *irq; 308 void *sc_ih; 309 bus_size_t sc_sz; 310 int sc_cap_off; /* PCIe Capabilities. */ 311 312 /* Tasks used by the driver */ 313 struct task sc_rftoggle_task; 314 struct task sc_panic_task; 315 struct task sc_xmit_task; 316 317 /* Taskqueue */ 318 struct taskqueue *sc_tq; 319 320 /* Calibration information */ 321 struct callout calib_to; 322 int calib_cnt; 323 struct iwn_calib_state calib; 324 int last_calib_ticks; 325 struct callout scan_timeout; 326 struct callout watchdog_to; 327 struct iwn_fw_info fw; 328 struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT]; 329 uint32_t errptr; 330 331 struct iwn_rx_stat last_rx_stat; 332 int last_rx_valid; 333 struct iwn_ucode_info ucode_info; 334 struct iwn_rxon rx_on[IWN_NUM_RXON_CTX]; 335 struct iwn_rxon *rxon; 336 int ctx; 337 struct ieee80211vap *ivap[IWN_NUM_RXON_CTX]; 338 339 /* General statistics */ 340 /* 341 * The statistics are reset after each channel 342 * change. So it may be zeroed after things like 343 * a background scan. 344 * 345 * So for now, this is just a cheap hack to 346 * expose the last received statistics dump 347 * via an ioctl(). Later versions of this 348 * could expose the last 'n' messages, or just 349 * provide a pipeline for the firmware responses 350 * via something like BPF. 351 */ 352 struct iwn_stats last_stat; 353 int last_stat_valid; 354 355 uint8_t uc_scan_progress; 356 uint32_t rawtemp; 357 int temp; 358 int noise; 359 uint32_t qfullmsk; 360 361 uint32_t prom_base; 362 struct iwn4965_eeprom_band 363 bands[IWN_NBANDS]; 364 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND]; 365 uint16_t rfcfg; 366 uint8_t calib_ver; 367 char eeprom_domain[4]; 368 uint32_t eeprom_crystal; 369 int16_t eeprom_temp; 370 int16_t eeprom_temp_high; 371 int16_t eeprom_voltage; 372 int8_t maxpwr2GHz; 373 int8_t maxpwr5GHz; 374 int8_t maxpwr[IEEE80211_CHAN_MAX]; 375 376 uint32_t tlv_feature_flags; 377 378 int32_t temp_off; 379 uint32_t int_mask; 380 uint8_t ntxchains; 381 uint8_t nrxchains; 382 uint8_t txchainmask; 383 uint8_t rxchainmask; 384 uint8_t chainmask; 385 386 int sc_tx_timer; 387 388 /* Are we doing a scan? */ 389 int sc_is_scanning; 390 391 /* Are we waiting for a beacon before xmit? */ 392 int sc_beacon_wait; 393 394 struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES]; 395 396 int (*sc_ampdu_rx_start)(struct ieee80211_node *, 397 struct ieee80211_rx_ampdu *, int, int, int); 398 void (*sc_ampdu_rx_stop)(struct ieee80211_node *, 399 struct ieee80211_rx_ampdu *); 400 int (*sc_addba_request)(struct ieee80211_node *, 401 struct ieee80211_tx_ampdu *, int, int, int); 402 int (*sc_addba_response)(struct ieee80211_node *, 403 struct ieee80211_tx_ampdu *, int, int, int); 404 void (*sc_addba_stop)(struct ieee80211_node *, 405 struct ieee80211_tx_ampdu *); 406 407 struct iwn_led_mode sc_led; 408 409 struct iwn_rx_radiotap_header sc_rxtap; 410 struct iwn_tx_radiotap_header sc_txtap; 411 412 /* The power save level originally configured by user */ 413 int desired_pwrsave_level; 414 415 /* 416 * The current power save level, this may differ from the 417 * configured value due to thermal throttling etc. 418 */ 419 int current_pwrsave_level; 420 421 /* For specific params */ 422 const struct iwn_base_params *base_params; 423 424 #define IWN_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8) 425 uint32_t ucode_rev; 426 427 /* 428 * Global queue for queuing xmit frames 429 * when we can't yet transmit (eg raw 430 * frames whilst waiting for beacons.) 431 */ 432 struct mbufq sc_xmit_queue; 433 }; 434 435 #define IWN_LOCK_INIT(_sc) \ 436 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 437 MTX_NETWORK_LOCK, MTX_DEF) 438 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 439 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 440 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 441 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) 442