1 /* $FreeBSD$ */ 2 /* $OpenBSD: if_iwnvar.h,v 1.16 2009/11/04 17:46:52 damien Exp $ */ 3 4 /*- 5 * Copyright (c) 2007, 2008 6 * Damien Bergamini <damien.bergamini@free.fr> 7 * Copyright (c) 2008 Sam Leffler, Errno Consulting 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 struct iwn_rx_radiotap_header { 23 struct ieee80211_radiotap_header wr_ihdr; 24 uint64_t wr_tsft; 25 uint8_t wr_flags; 26 uint8_t wr_rate; 27 uint16_t wr_chan_freq; 28 uint16_t wr_chan_flags; 29 int8_t wr_dbm_antsignal; 30 int8_t wr_dbm_antnoise; 31 } __packed; 32 33 #define IWN_RX_RADIOTAP_PRESENT \ 34 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 35 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 36 (1 << IEEE80211_RADIOTAP_RATE) | \ 37 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 38 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 39 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) 40 41 struct iwn_tx_radiotap_header { 42 struct ieee80211_radiotap_header wt_ihdr; 43 uint8_t wt_flags; 44 uint8_t wt_rate; 45 uint16_t wt_chan_freq; 46 uint16_t wt_chan_flags; 47 } __packed; 48 49 #define IWN_TX_RADIOTAP_PRESENT \ 50 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 51 (1 << IEEE80211_RADIOTAP_RATE) | \ 52 (1 << IEEE80211_RADIOTAP_CHANNEL)) 53 54 struct iwn_dma_info { 55 bus_dma_tag_t tag; 56 bus_dmamap_t map; 57 bus_dma_segment_t seg; 58 bus_addr_t paddr; 59 caddr_t vaddr; 60 bus_size_t size; 61 }; 62 63 struct iwn_tx_data { 64 bus_dmamap_t map; 65 bus_addr_t cmd_paddr; 66 bus_addr_t scratch_paddr; 67 struct mbuf *m; 68 struct ieee80211_node *ni; 69 }; 70 71 struct iwn_tx_ring { 72 struct iwn_dma_info desc_dma; 73 struct iwn_dma_info cmd_dma; 74 struct iwn_tx_desc *desc; 75 struct iwn_tx_cmd *cmd; 76 struct iwn_tx_data data[IWN_TX_RING_COUNT]; 77 bus_dma_tag_t data_dmat; 78 int qid; 79 int queued; 80 int cur; 81 }; 82 83 struct iwn_softc; 84 85 struct iwn_rx_data { 86 struct mbuf *m; 87 bus_dmamap_t map; 88 }; 89 90 struct iwn_rx_ring { 91 struct iwn_dma_info desc_dma; 92 struct iwn_dma_info stat_dma; 93 uint32_t *desc; 94 struct iwn_rx_status *stat; 95 struct iwn_rx_data data[IWN_RX_RING_COUNT]; 96 bus_dma_tag_t data_dmat; 97 int cur; 98 }; 99 100 struct iwn_node { 101 struct ieee80211_node ni; /* must be the first */ 102 struct ieee80211_amrr_node amn; 103 uint16_t disable_tid; 104 uint8_t id; 105 uint8_t ridx[IEEE80211_RATE_MAXSIZE]; 106 }; 107 108 struct iwn_calib_state { 109 uint8_t state; 110 #define IWN_CALIB_STATE_INIT 0 111 #define IWN_CALIB_STATE_ASSOC 1 112 #define IWN_CALIB_STATE_RUN 2 113 114 u_int nbeacons; 115 uint32_t noise[3]; 116 uint32_t rssi[3]; 117 uint32_t ofdm_x1; 118 uint32_t ofdm_mrc_x1; 119 uint32_t ofdm_x4; 120 uint32_t ofdm_mrc_x4; 121 uint32_t cck_x4; 122 uint32_t cck_mrc_x4; 123 uint32_t bad_plcp_ofdm; 124 uint32_t fa_ofdm; 125 uint32_t bad_plcp_cck; 126 uint32_t fa_cck; 127 uint32_t low_fa; 128 uint8_t cck_state; 129 #define IWN_CCK_STATE_INIT 0 130 #define IWN_CCK_STATE_LOFA 1 131 #define IWN_CCK_STATE_HIFA 2 132 133 uint8_t noise_samples[20]; 134 u_int cur_noise_sample; 135 uint8_t noise_ref; 136 uint32_t energy_samples[10]; 137 u_int cur_energy_sample; 138 uint32_t energy_cck; 139 }; 140 141 struct iwn_calib_info { 142 uint8_t *buf; 143 u_int len; 144 }; 145 146 struct iwn_fw_part { 147 const uint8_t *text; 148 uint32_t textsz; 149 const uint8_t *data; 150 uint32_t datasz; 151 }; 152 153 struct iwn_fw_info { 154 u_char *data; 155 struct iwn_fw_part init; 156 struct iwn_fw_part main; 157 struct iwn_fw_part boot; 158 }; 159 160 struct iwn_hal { 161 int (*load_firmware)(struct iwn_softc *); 162 void (*read_eeprom)(struct iwn_softc *); 163 int (*post_alive)(struct iwn_softc *); 164 int (*nic_config)(struct iwn_softc *); 165 void (*update_sched)(struct iwn_softc *, int, int, uint8_t, 166 uint16_t); 167 int (*get_temperature)(struct iwn_softc *); 168 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *); 169 int (*set_txpower)(struct iwn_softc *, 170 struct ieee80211_channel *, int); 171 int (*init_gains)(struct iwn_softc *); 172 int (*set_gains)(struct iwn_softc *); 173 int (*add_node)(struct iwn_softc *, struct iwn_node_info *, 174 int); 175 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *, 176 struct iwn_rx_data *); 177 #if 0 /* HT */ 178 void (*ampdu_tx_start)(struct iwn_softc *, 179 struct ieee80211_node *, uint8_t, uint16_t); 180 void (*ampdu_tx_stop)(struct iwn_softc *, uint8_t, 181 uint16_t); 182 #endif 183 int ntxqs; 184 int ndmachnls; 185 uint8_t broadcast_id; 186 int rxonsz; 187 int schedsz; 188 uint32_t fw_text_maxsz; 189 uint32_t fw_data_maxsz; 190 uint32_t fwsz; 191 bus_size_t sched_txfact_addr; 192 }; 193 194 struct iwn_vap { 195 struct ieee80211vap iv_vap; 196 struct ieee80211_amrr iv_amrr; 197 struct callout iv_amrr_to; 198 uint8_t iv_ridx; 199 200 int (*iv_newstate)(struct ieee80211vap *, 201 enum ieee80211_state, int); 202 }; 203 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap)) 204 205 struct iwn_softc { 206 struct ifnet *sc_ifp; 207 int sc_debug; 208 209 /* Locks */ 210 struct mtx sc_mtx; 211 212 /* Bus */ 213 device_t sc_dev; 214 int mem_rid; 215 int irq_rid; 216 struct resource *mem; 217 struct resource *irq; 218 219 u_int sc_flags; 220 #define IWN_FLAG_HAS_5GHZ (1 << 0) 221 #define IWN_FLAG_HAS_OTPROM (1 << 1) 222 #define IWN_FLAG_CALIB_DONE (1 << 2) 223 #define IWN_FLAG_USE_ICT (1 << 3) 224 #define IWN_FLAG_INTERNAL_PA (1 << 4) 225 226 uint8_t hw_type; 227 const struct iwn_hal *sc_hal; 228 const char *fwname; 229 const struct iwn_sensitivity_limits 230 *limits; 231 232 /* TX scheduler rings. */ 233 struct iwn_dma_info sched_dma; 234 uint16_t *sched; 235 uint32_t sched_base; 236 237 /* "Keep Warm" page. */ 238 struct iwn_dma_info kw_dma; 239 240 /* Firmware image. */ 241 const struct firmware *fw_fp; 242 243 /* Firmware DMA transfer. */ 244 struct iwn_dma_info fw_dma; 245 246 /* ICT table. */ 247 struct iwn_dma_info ict_dma; 248 uint32_t *ict; 249 int ict_cur; 250 251 /* TX/RX rings. */ 252 struct iwn_tx_ring txq[IWN5000_NTXQUEUES]; 253 struct iwn_rx_ring rxq; 254 255 bus_space_tag_t sc_st; 256 bus_space_handle_t sc_sh; 257 void *sc_ih; 258 bus_size_t sc_sz; 259 int sc_cap_off; /* PCIe Capabilities. */ 260 261 /* Tasks used by the driver */ 262 struct task sc_reinit_task; 263 struct task sc_radioon_task; 264 struct task sc_radiooff_task; 265 266 int calib_cnt; 267 struct iwn_calib_state calib; 268 269 struct iwn_fw_info fw; 270 struct iwn_calib_info calibcmd[5]; 271 uint32_t errptr; 272 273 struct iwn_rx_stat last_rx_stat; 274 int last_rx_valid; 275 struct iwn_ucode_info ucode_info; 276 struct iwn_rxon rxon; 277 uint32_t rawtemp; 278 int temp; 279 int noise; 280 uint32_t qfullmsk; 281 282 uint32_t prom_base; 283 struct iwn4965_eeprom_band 284 bands[IWN_NBANDS]; 285 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND]; 286 uint16_t rfcfg; 287 char eeprom_domain[4]; 288 uint32_t eeprom_crystal; 289 int16_t eeprom_voltage; 290 int8_t maxpwr2GHz; 291 int8_t maxpwr5GHz; 292 int8_t maxpwr[IEEE80211_CHAN_MAX]; 293 int8_t enh_maxpwr[35]; 294 295 int32_t temp_off; 296 uint32_t int_mask; 297 uint8_t ntxchains; 298 uint8_t nrxchains; 299 uint8_t txchainmask; 300 uint8_t rxchainmask; 301 uint8_t chainmask; 302 303 struct callout sc_timer_to; 304 int sc_tx_timer; 305 306 struct iwn_rx_radiotap_header sc_rxtap; 307 struct iwn_tx_radiotap_header sc_txtap; 308 }; 309 310 #define IWN_LOCK_INIT(_sc) \ 311 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 312 MTX_NETWORK_LOCK, MTX_DEF) 313 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 314 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 315 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 316 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) 317