Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/iwn/if_iwnvar.h
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1 /* $FreeBSD: releng/12.0/sys/dev/iwn/if_iwnvar.h 314923 2017-03-08 22:49:22Z avos $ */ 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; 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 }; 104 105 struct iwn_tx_ring { 106 struct iwn_dma_info desc_dma; 107 struct iwn_dma_info cmd_dma; 108 struct iwn_tx_desc *desc; 109 struct iwn_tx_cmd *cmd; 110 struct iwn_tx_data data[IWN_TX_RING_COUNT]; 111 bus_dma_tag_t data_dmat; 112 int qid; 113 int queued; 114 int cur; 115 int read; 116 }; 117 118 struct iwn_softc; 119 120 struct iwn_rx_data { 121 struct mbuf *m; 122 bus_dmamap_t map; 123 }; 124 125 struct iwn_rx_ring { 126 struct iwn_dma_info desc_dma; 127 struct iwn_dma_info stat_dma; 128 uint32_t *desc; 129 struct iwn_rx_status *stat; 130 struct iwn_rx_data data[IWN_RX_RING_COUNT]; 131 bus_dma_tag_t data_dmat; 132 int cur; 133 }; 134 135 struct iwn_node { 136 struct ieee80211_node ni; /* must be the first */ 137 uint16_t disable_tid; 138 uint8_t id; 139 struct { 140 uint64_t bitmap; 141 int startidx; 142 int nframes; 143 } agg[IEEE80211_TID_SIZE]; 144 }; 145 146 struct iwn_calib_state { 147 uint8_t state; 148 #define IWN_CALIB_STATE_INIT 0 149 #define IWN_CALIB_STATE_ASSOC 1 150 #define IWN_CALIB_STATE_RUN 2 151 152 u_int nbeacons; 153 uint32_t noise[3]; 154 uint32_t rssi[3]; 155 uint32_t ofdm_x1; 156 uint32_t ofdm_mrc_x1; 157 uint32_t ofdm_x4; 158 uint32_t ofdm_mrc_x4; 159 uint32_t cck_x4; 160 uint32_t cck_mrc_x4; 161 uint32_t bad_plcp_ofdm; 162 uint32_t fa_ofdm; 163 uint32_t bad_plcp_cck; 164 uint32_t fa_cck; 165 uint32_t low_fa; 166 uint32_t bad_plcp_ht; 167 uint8_t cck_state; 168 #define IWN_CCK_STATE_INIT 0 169 #define IWN_CCK_STATE_LOFA 1 170 #define IWN_CCK_STATE_HIFA 2 171 172 uint8_t noise_samples[20]; 173 u_int cur_noise_sample; 174 uint8_t noise_ref; 175 uint32_t energy_samples[10]; 176 u_int cur_energy_sample; 177 uint32_t energy_cck; 178 }; 179 180 struct iwn_calib_info { 181 uint8_t *buf; 182 u_int len; 183 }; 184 185 struct iwn_fw_part { 186 const uint8_t *text; 187 uint32_t textsz; 188 const uint8_t *data; 189 uint32_t datasz; 190 }; 191 192 struct iwn_fw_info { 193 const uint8_t *data; 194 size_t size; 195 struct iwn_fw_part init; 196 struct iwn_fw_part main; 197 struct iwn_fw_part boot; 198 }; 199 200 struct iwn_ops { 201 int (*load_firmware)(struct iwn_softc *); 202 void (*read_eeprom)(struct iwn_softc *); 203 int (*post_alive)(struct iwn_softc *); 204 int (*nic_config)(struct iwn_softc *); 205 void (*update_sched)(struct iwn_softc *, int, int, uint8_t, 206 uint16_t); 207 int (*get_temperature)(struct iwn_softc *); 208 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *); 209 int (*set_txpower)(struct iwn_softc *, int); 210 int (*init_gains)(struct iwn_softc *); 211 int (*set_gains)(struct iwn_softc *); 212 int (*rxon_assoc)(struct iwn_softc *, int); 213 int (*add_node)(struct iwn_softc *, struct iwn_node_info *, 214 int); 215 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *, 216 struct iwn_rx_data *); 217 void (*ampdu_tx_start)(struct iwn_softc *, 218 struct ieee80211_node *, int, uint8_t, uint16_t); 219 void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t, 220 uint16_t); 221 }; 222 223 struct iwn_vap { 224 struct ieee80211vap iv_vap; 225 uint8_t iv_ridx; 226 227 int (*iv_newstate)(struct ieee80211vap *, 228 enum ieee80211_state, int); 229 int ctx; 230 int beacon_int; 231 232 }; 233 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap)) 234 235 struct iwn_softc { 236 device_t sc_dev; 237 int sc_debug; 238 struct cdev *sc_cdev; 239 struct mtx sc_mtx; 240 struct ieee80211com sc_ic; 241 struct ieee80211_ratectl_tx_status sc_txs; 242 243 u_int sc_flags; 244 #define IWN_FLAG_HAS_OTPROM (1 << 1) 245 #define IWN_FLAG_CALIB_DONE (1 << 2) 246 #define IWN_FLAG_USE_ICT (1 << 3) 247 #define IWN_FLAG_INTERNAL_PA (1 << 4) 248 #define IWN_FLAG_HAS_11N (1 << 6) 249 #define IWN_FLAG_ENH_SENS (1 << 7) 250 #define IWN_FLAG_ADV_BTCOEX (1 << 8) 251 #define IWN_FLAG_PAN_SUPPORT (1 << 9) 252 #define IWN_FLAG_BTCOEX (1 << 10) 253 #define IWN_FLAG_RUNNING (1 << 11) 254 255 uint8_t hw_type; 256 /* subdevice_id used to adjust configuration */ 257 uint16_t subdevice_id; 258 259 struct iwn_ops ops; 260 const char *fwname; 261 const struct iwn_sensitivity_limits 262 *limits; 263 int ntxqs; 264 int firstaggqueue; 265 int ndmachnls; 266 uint8_t broadcast_id; 267 int rxonsz; 268 int schedsz; 269 uint32_t fw_text_maxsz; 270 uint32_t fw_data_maxsz; 271 uint32_t fwsz; 272 bus_size_t sched_txfact_addr; 273 uint32_t reset_noise_gain; 274 uint32_t noise_gain; 275 276 /* TX scheduler rings. */ 277 struct iwn_dma_info sched_dma; 278 uint16_t *sched; 279 uint32_t sched_base; 280 281 /* "Keep Warm" page. */ 282 struct iwn_dma_info kw_dma; 283 284 /* Firmware image. */ 285 const struct firmware *fw_fp; 286 287 /* Firmware DMA transfer. */ 288 struct iwn_dma_info fw_dma; 289 290 /* ICT table. */ 291 struct iwn_dma_info ict_dma; 292 uint32_t *ict; 293 int ict_cur; 294 295 /* TX/RX rings. */ 296 struct iwn_tx_ring txq[IWN5000_NTXQUEUES]; 297 struct iwn_rx_ring rxq; 298 299 struct resource *mem; 300 bus_space_tag_t sc_st; 301 bus_space_handle_t sc_sh; 302 struct resource *irq; 303 void *sc_ih; 304 bus_size_t sc_sz; 305 int sc_cap_off; /* PCIe Capabilities. */ 306 307 /* Tasks used by the driver */ 308 struct task sc_rftoggle_task; 309 struct task sc_panic_task; 310 struct task sc_xmit_task; 311 312 /* Taskqueue */ 313 struct taskqueue *sc_tq; 314 315 /* Calibration information */ 316 struct callout calib_to; 317 int calib_cnt; 318 struct iwn_calib_state calib; 319 int last_calib_ticks; 320 struct callout scan_timeout; 321 struct callout watchdog_to; 322 struct iwn_fw_info fw; 323 struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT]; 324 uint32_t errptr; 325 326 struct iwn_rx_stat last_rx_stat; 327 int last_rx_valid; 328 struct iwn_ucode_info ucode_info; 329 struct iwn_rxon rx_on[IWN_NUM_RXON_CTX]; 330 struct iwn_rxon *rxon; 331 int ctx; 332 struct ieee80211vap *ivap[IWN_NUM_RXON_CTX]; 333 334 /* General statistics */ 335 /* 336 * The statistics are reset after each channel 337 * change. So it may be zeroed after things like 338 * a background scan. 339 * 340 * So for now, this is just a cheap hack to 341 * expose the last received statistics dump 342 * via an ioctl(). Later versions of this 343 * could expose the last 'n' messages, or just 344 * provide a pipeline for the firmware responses 345 * via something like BPF. 346 */ 347 struct iwn_stats last_stat; 348 int last_stat_valid; 349 350 uint8_t uc_scan_progress; 351 uint32_t rawtemp; 352 int temp; 353 int noise; 354 uint32_t qfullmsk; 355 356 uint32_t prom_base; 357 struct iwn4965_eeprom_band 358 bands[IWN_NBANDS]; 359 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND]; 360 uint16_t rfcfg; 361 uint8_t calib_ver; 362 char eeprom_domain[4]; 363 uint32_t eeprom_crystal; 364 int16_t eeprom_temp; 365 int16_t eeprom_temp_high; 366 int16_t eeprom_voltage; 367 int8_t maxpwr2GHz; 368 int8_t maxpwr5GHz; 369 int8_t maxpwr[IEEE80211_CHAN_MAX]; 370 371 uint32_t tlv_feature_flags; 372 373 int32_t temp_off; 374 uint32_t int_mask; 375 uint8_t ntxchains; 376 uint8_t nrxchains; 377 uint8_t txchainmask; 378 uint8_t rxchainmask; 379 uint8_t chainmask; 380 381 int sc_tx_timer; 382 383 /* Are we doing a scan? */ 384 int sc_is_scanning; 385 386 /* Are we waiting for a beacon before xmit? */ 387 int sc_beacon_wait; 388 389 struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES]; 390 391 int (*sc_ampdu_rx_start)(struct ieee80211_node *, 392 struct ieee80211_rx_ampdu *, int, int, int); 393 void (*sc_ampdu_rx_stop)(struct ieee80211_node *, 394 struct ieee80211_rx_ampdu *); 395 int (*sc_addba_request)(struct ieee80211_node *, 396 struct ieee80211_tx_ampdu *, int, int, int); 397 int (*sc_addba_response)(struct ieee80211_node *, 398 struct ieee80211_tx_ampdu *, int, int, int); 399 void (*sc_addba_stop)(struct ieee80211_node *, 400 struct ieee80211_tx_ampdu *); 401 402 struct iwn_led_mode sc_led; 403 404 struct iwn_rx_radiotap_header sc_rxtap; 405 struct iwn_tx_radiotap_header sc_txtap; 406 407 /* The power save level originally configured by user */ 408 int desired_pwrsave_level; 409 410 /* 411 * The current power save level, this may differ from the 412 * configured value due to thermal throttling etc. 413 */ 414 int current_pwrsave_level; 415 416 /* For specific params */ 417 const struct iwn_base_params *base_params; 418 419 #define IWN_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8) 420 uint32_t ucode_rev; 421 422 /* 423 * Global queue for queuing xmit frames 424 * when we can't yet transmit (eg raw 425 * frames whilst waiting for beacons.) 426 */ 427 struct mbufq sc_xmit_queue; 428 }; 429 430 #define IWN_LOCK_INIT(_sc) \ 431 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 432 MTX_NETWORK_LOCK, MTX_DEF) 433 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 434 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 435 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 436 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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