4 * Copyright (c) 2006,2007
5 * Damien Bergamini <damien.bergamini@free.fr>
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.
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.
19 struct wpi_rx_radiotap_header {
20 struct ieee80211_radiotap_header wr_ihdr;
24 uint16_t wr_chan_freq;
25 uint16_t wr_chan_flags;
26 int8_t wr_dbm_antsignal;
27 int8_t wr_dbm_antnoise;
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))
40 struct wpi_tx_radiotap_header {
41 struct ieee80211_radiotap_header wt_ihdr;
44 uint16_t wt_chan_freq;
45 uint16_t wt_chan_flags;
48 #define WPI_TX_RADIOTAP_PRESENT \
49 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
50 (1 << IEEE80211_RADIOTAP_RATE) | \
51 (1 << IEEE80211_RADIOTAP_CHANNEL))
65 struct ieee80211_node *ni;
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;
87 struct wpi_dma_info desc_dma;
89 struct wpi_rx_data data[WPI_RX_RING_COUNT];
90 bus_dma_tag_t data_dmat;
96 struct ieee80211_node ni; /* must be the first */
99 #define WPI_NODE(ni) ((struct wpi_node *)(ni))
101 struct wpi_power_sample {
106 struct wpi_power_group {
107 #define WPI_SAMPLES_COUNT 5
108 struct wpi_power_sample samples[WPI_SAMPLES_COUNT];
115 uint8_t data[56]; /* sizeof(struct wpi_cmd_beacon) */
116 struct ieee80211_node *ni;
124 struct ieee80211vap wv_vap;
126 struct wpi_buf wv_bcbuf;
127 struct ieee80211_beacon_offsets wv_boff;
131 #define WPI_VAP_KEY(kid) (1 << kid)
133 int (*wv_newstate)(struct ieee80211vap *,
134 enum ieee80211_state, int);
136 #define WPI_VAP(vap) ((struct wpi_vap *)(vap))
138 #define WPI_VAP_LOCK_INIT(_wvp) \
139 mtx_init(&(_wvp)->wv_mtx, "lock for wv_bcbuf/wv_boff structures", \
141 #define WPI_VAP_LOCK(_wvp) mtx_lock(&(_wvp)->wv_mtx)
142 #define WPI_VAP_UNLOCK(_wvp) mtx_unlock(&(_wvp)->wv_mtx)
143 #define WPI_VAP_LOCK_ASSERT(_wvp) mtx_assert(&(_wvp)->wv_mtx, MA_OWNED)
144 #define WPI_VAP_LOCK_DESTROY(_wvp) mtx_destroy(&(_wvp)->wv_mtx)
156 struct wpi_fw_part init;
157 struct wpi_fw_part main;
158 struct wpi_fw_part boot;
164 struct ifnet *sc_ifp;
171 struct wpi_dma_info shared_dma;
172 struct wpi_shared *shared;
174 struct wpi_tx_ring txq[WPI_NTXQUEUES];
176 struct mtx txq_state_mtx;
179 struct wpi_rx_ring rxq;
181 /* TX Thermal Callibration. */
182 struct callout calib_to;
185 struct callout scan_timeout;
186 struct callout tx_timeout;
188 /* Watch dog timer. */
189 struct callout watchdog_rfkill;
191 /* Firmware image. */
192 struct wpi_fw_info fw;
195 struct resource *irq;
196 struct resource *mem;
197 bus_space_tag_t sc_st;
198 bus_space_handle_t sc_sh;
201 int sc_cap_off; /* PCIe Capabilities. */
203 struct wpi_rxon rxon;
212 void (*sc_node_free)(struct ieee80211_node *);
214 struct wpi_rx_radiotap_header sc_rxtap;
215 struct wpi_tx_radiotap_header sc_txtap;
217 /* Firmware image. */
218 const struct firmware *fw_fp;
220 /* Firmware DMA transfer. */
221 struct wpi_dma_info fw_dma;
223 /* Tasks used by the driver. */
224 struct task sc_reinittask;
225 struct task sc_radiooff_task;
226 struct task sc_radioon_task;
227 struct task sc_start_task;
230 struct taskqueue *sc_tq;
236 struct wpi_eeprom_chan
237 eeprom_channels[WPI_CHAN_BANDS_COUNT][WPI_MAX_CHAN_PER_BAND];
238 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT];
239 int8_t maxpwr[IEEE80211_CHAN_MAX];
240 char domain[4]; /* Regulatory domain. */
248 * 4. WPI_NT_LOCK / WPI_VAP_LOCK;
250 * 6. WPI_TXQ_STATE_LOCK;
253 #define WPI_LOCK_INIT(_sc) \
254 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
255 MTX_NETWORK_LOCK, MTX_DEF)
256 #define WPI_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
257 #define WPI_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
258 #define WPI_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
259 #define WPI_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
261 #define WPI_RXON_LOCK_INIT(_sc) \
262 mtx_init(&(_sc)->rxon_mtx, "lock for wpi_rxon structure", NULL, MTX_DEF)
263 #define WPI_RXON_LOCK(_sc) mtx_lock(&(_sc)->rxon_mtx)
264 #define WPI_RXON_UNLOCK(_sc) mtx_unlock(&(_sc)->rxon_mtx)
265 #define WPI_RXON_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rxon_mtx, MA_OWNED)
266 #define WPI_RXON_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rxon_mtx)
268 #define WPI_TX_LOCK_INIT(_sc) \
269 mtx_init(&(_sc)->tx_mtx, "tx path lock", NULL, MTX_DEF)
270 #define WPI_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx)
271 #define WPI_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx)
272 #define WPI_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx)
274 #define WPI_NT_LOCK_INIT(_sc) \
275 mtx_init(&(_sc)->nt_mtx, "node table lock", NULL, MTX_DEF)
276 #define WPI_NT_LOCK(_sc) mtx_lock(&(_sc)->nt_mtx)
277 #define WPI_NT_UNLOCK(_sc) mtx_unlock(&(_sc)->nt_mtx)
278 #define WPI_NT_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->nt_mtx)
280 #define WPI_TXQ_LOCK_INIT(_sc) \
281 mtx_init(&(_sc)->txq_mtx, "txq/cmdq lock", NULL, MTX_DEF)
282 #define WPI_TXQ_LOCK(_sc) mtx_lock(&(_sc)->txq_mtx)
283 #define WPI_TXQ_UNLOCK(_sc) mtx_unlock(&(_sc)->txq_mtx)
284 #define WPI_TXQ_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->txq_mtx)
286 #define WPI_TXQ_STATE_LOCK_INIT(_sc) \
287 mtx_init(&(_sc)->txq_state_mtx, "txq state lock", NULL, MTX_DEF)
288 #define WPI_TXQ_STATE_LOCK(_sc) mtx_lock(&(_sc)->txq_state_mtx)
289 #define WPI_TXQ_STATE_UNLOCK(_sc) mtx_unlock(&(_sc)->txq_state_mtx)
290 #define WPI_TXQ_STATE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->txq_state_mtx)