if_wpivar.h revision 178354
1/* $FreeBSD: head/sys/dev/wpi/if_wpivar.h 178354 2008-04-20 20:35:46Z sam $ */ 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#include <net80211/ieee80211_amrr.h> 20 21struct wpi_rx_radiotap_header { 22 struct ieee80211_radiotap_header wr_ihdr; 23 uint64_t wr_tsft; 24 uint8_t wr_flags; 25 uint8_t wr_rate; 26 uint16_t wr_chan_freq; 27 uint16_t wr_chan_flags; 28 int8_t wr_dbm_antsignal; 29 int8_t wr_dbm_antnoise; 30 uint8_t wr_antenna; 31}; 32 33#define WPI_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 (1 << IEEE80211_RADIOTAP_ANTENNA)) 41 42struct wpi_tx_radiotap_header { 43 struct ieee80211_radiotap_header wt_ihdr; 44 uint8_t wt_flags; 45 uint8_t wt_rate; 46 uint16_t wt_chan_freq; 47 uint16_t wt_chan_flags; 48 uint8_t wt_hwqueue; 49}; 50 51#define WPI_TX_RADIOTAP_PRESENT \ 52 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 53 (1 << IEEE80211_RADIOTAP_RATE) | \ 54 (1 << IEEE80211_RADIOTAP_CHANNEL)) 55 56struct wpi_dma_info { 57 bus_dma_tag_t tag; 58 bus_dmamap_t map; 59 bus_addr_t paddr; /* aligned p address */ 60 bus_addr_t paddr_start; /* possibly unaligned p start*/ 61 caddr_t vaddr; /* aligned v address */ 62 caddr_t vaddr_start; /* possibly unaligned v start */ 63 bus_size_t size; 64}; 65 66struct wpi_tx_data { 67 bus_dmamap_t map; 68 struct mbuf *m; 69 struct ieee80211_node *ni; 70}; 71 72struct wpi_tx_ring { 73 struct wpi_dma_info desc_dma; 74 struct wpi_dma_info cmd_dma; 75 struct wpi_tx_desc *desc; 76 struct wpi_tx_cmd *cmd; 77 struct wpi_tx_data *data; 78 bus_dma_tag_t data_dmat; 79 int qid; 80 int count; 81 int queued; 82 int cur; 83}; 84 85#define WPI_RBUF_COUNT ( WPI_RX_RING_COUNT + 16 ) 86 87struct wpi_rx_data { 88 bus_dmamap_t map; 89 struct mbuf *m; 90}; 91 92struct wpi_rx_ring { 93 struct wpi_dma_info desc_dma; 94 uint32_t *desc; 95 struct wpi_rx_data data[WPI_RX_RING_COUNT]; 96 bus_dma_tag_t data_dmat; 97 int cur; 98}; 99 100struct wpi_amrr { 101 struct ieee80211_node ni; /* must be the first */ 102 int txcnt; 103 int retrycnt; 104 int success; 105 int success_threshold; 106 int recovery; 107}; 108 109struct wpi_node { 110 struct ieee80211_node ni; /* must be the first */ 111 struct ieee80211_amrr_node amn; 112}; 113#define WPI_NODE(ni) ((struct wpi_node *)(ni)) 114 115struct wpi_power_sample { 116 uint8_t index; 117 int8_t power; 118}; 119 120struct wpi_power_group { 121#define WPI_SAMPLES_COUNT 5 122 struct wpi_power_sample samples[WPI_SAMPLES_COUNT]; 123 uint8_t chan; 124 int8_t maxpwr; 125 int16_t temp; 126}; 127 128struct wpi_vap { 129 struct ieee80211vap vap; 130 struct ieee80211_amrr amrr; 131 132 int (*newstate)(struct ieee80211vap *, 133 enum ieee80211_state, int); 134}; 135#define WPI_VAP(vap) ((struct wpi_vap *)(vap)) 136 137struct wpi_softc { 138 device_t sc_dev; 139 struct ifnet *sc_ifp; 140 struct mtx sc_mtx; 141 142 /* Flags indicating the current state the driver 143 * expects the hardware to be in 144 */ 145 uint32_t flags; 146#define WPI_FLAG_HW_RADIO_OFF (1 << 0) 147#define WPI_FLAG_SCANNING (1 << 1) 148#define WPI_FLAG_BUSY (1 << 2) 149#define WPI_FLAG_AUTH (1 << 3) 150 151 /* shared area */ 152 struct wpi_dma_info shared_dma; 153 struct wpi_shared *shared; 154 155 struct wpi_tx_ring txq[WME_NUM_AC]; 156 struct wpi_tx_ring cmdq; 157 struct wpi_rx_ring rxq; 158 159 /* TX Thermal Callibration */ 160 struct callout calib_to; 161 int calib_cnt; 162 163 /* Watch dog timer */ 164 struct callout watchdog_to; 165 /* Hardware switch polling timer */ 166 struct callout hwswitch_to; 167 168 struct resource *irq; 169 struct resource *mem; 170 bus_space_tag_t sc_st; 171 bus_space_handle_t sc_sh; 172 void *sc_ih; 173 int mem_rid; 174 int irq_rid; 175 176 struct wpi_config config; 177 int temp; 178 179 180 int sc_tx_timer; 181 int sc_scan_timer; 182 183 struct bpf_if *sc_drvbpf; 184 185 struct wpi_rx_radiotap_header sc_rxtap; 186 int sc_rxtap_len; 187 struct wpi_tx_radiotap_header sc_txtap; 188 int sc_txtap_len; 189 190 /* firmware image */ 191 const struct firmware *fw_fp; 192 193 /* firmware DMA transfer */ 194 struct wpi_dma_info fw_dma; 195 196 /* command queue related variables */ 197#define WPI_SCAN_START (1<<0) 198#define WPI_SCAN_CURCHAN (1<<1) 199#define WPI_SCAN_STOP (1<<2) 200#define WPI_SET_CHAN (1<<3) 201#define WPI_AUTH (1<<4) 202#define WPI_RUN (1<<5) 203#define WPI_SCAN_NEXT (1<<6) 204#define WPI_RESTART (1<<7) 205#define WPI_RF_RESTART (1<<8) 206#define WPI_CMD_MAXOPS 10 207 /* command queuing request type */ 208#define WPI_QUEUE_NORMAL 0 209#define WPI_QUEUE_CLEAR 1 210 int sc_cmd[WPI_CMD_MAXOPS]; 211 int sc_cmd_arg[WPI_CMD_MAXOPS]; 212 int sc_cmd_cur; /* current queued scan task */ 213 int sc_cmd_next; /* last queued scan task */ 214 struct mtx sc_cmdlock; 215 216 /* Task queues used to control the driver */ 217 struct taskqueue *sc_tq; /* Main command task queue */ 218 struct taskqueue *sc_tq2; /* firmware reset task queue */ 219 220 /* Tasks used by the driver */ 221 struct task sc_radioontask; /* enable rf transmitter task*/ 222 struct task sc_radioofftask;/* disable rf transmitter task*/ 223 struct task sc_opstask; /* operation handling task */ 224 struct task sc_restarttask; /* reset firmware task */ 225 226 /* Eeprom info */ 227 uint8_t cap; 228 uint16_t rev; 229 uint8_t type; 230 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT]; 231 int8_t maxpwr[IEEE80211_CHAN_MAX]; 232 char domain[4]; /*reglatory domain XXX */ 233}; 234#define WPI_LOCK_INIT(_sc) \ 235 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 236 MTX_NETWORK_LOCK, MTX_DEF) 237#define WPI_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 238#define WPI_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 239#define WPI_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 240#define WPI_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) 241 242#define WPI_CMD_LOCK_INIT(_sc) \ 243 mtx_init(&(_sc)->sc_cmdlock, device_get_nameunit((_sc)->sc_dev), \ 244 NULL, MTX_DEF) 245#define WPI_CMD_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_cmdlock) 246#define WPI_CMD_LOCK(_sc) mtx_lock(&(_sc)->sc_cmdlock) 247#define WPI_CMD_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_cmdlock) 248