1 /* $FreeBSD: releng/11.0/sys/dev/wpi/if_wpivar.h 297173 2016-03-21 23:25:41Z avos $ */
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 struct wpi_rx_radiotap_header {
20 struct ieee80211_radiotap_header wr_ihdr;
21 uint64_t wr_tsft;
22 uint8_t wr_flags;
23 uint8_t wr_rate;
24 uint16_t wr_chan_freq;
25 uint16_t wr_chan_flags;
26 int8_t wr_dbm_antsignal;
27 int8_t wr_dbm_antnoise;
28 uint8_t wr_antenna;
29 } __packed;
30
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))
39
40 struct wpi_tx_radiotap_header {
41 struct ieee80211_radiotap_header wt_ihdr;
42 uint8_t wt_flags;
43 uint8_t wt_rate;
44 uint16_t wt_chan_freq;
45 uint16_t wt_chan_flags;
46 } __packed;
47
48 #define WPI_TX_RADIOTAP_PRESENT \
49 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
50 (1 << IEEE80211_RADIOTAP_RATE) | \
51 (1 << IEEE80211_RADIOTAP_CHANNEL))
52
53 struct wpi_dma_info {
54 bus_dma_tag_t tag;
55 bus_dmamap_t map;
56 bus_addr_t paddr;
57 caddr_t vaddr;
58 bus_size_t size;
59 };
60
61 struct wpi_tx_data {
62 bus_dmamap_t map;
63 bus_addr_t cmd_paddr;
64 struct mbuf *m;
65 struct ieee80211_node *ni;
66 };
67
68 struct wpi_tx_ring {
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;
75 uint8_t qid;
76 uint8_t cur;
77 uint8_t pending;
78 int16_t queued;
79 int update:1;
80 };
81
82 struct wpi_rx_data {
83 struct mbuf *m;
84 bus_dmamap_t map;
85 };
86
87 struct wpi_rx_ring {
88 struct wpi_dma_info desc_dma;
89 uint32_t *desc;
90 struct wpi_rx_data data[WPI_RX_RING_COUNT];
91 bus_dma_tag_t data_dmat;
92 uint16_t cur;
93 int update;
94 };
95
96 struct wpi_node {
97 struct ieee80211_node ni; /* must be the first */
98 uint8_t id;
99 };
100 #define WPI_NODE(ni) ((struct wpi_node *)(ni))
101
102 struct wpi_power_sample {
103 uint8_t index;
104 int8_t power;
105 };
106
107 struct wpi_power_group {
108 #define WPI_SAMPLES_COUNT 5
109 struct wpi_power_sample samples[WPI_SAMPLES_COUNT];
110 uint8_t chan;
111 int8_t maxpwr;
112 int16_t temp;
113 };
114
115 struct wpi_buf {
116 uint8_t data[56]; /* sizeof(struct wpi_cmd_beacon) */
117 struct ieee80211_node *ni;
118 struct mbuf *m;
119 size_t size;
120 uint8_t code;
121 uint16_t ac;
122 };
123
124 struct wpi_vap {
125 struct ieee80211vap wv_vap;
126
127 struct wpi_buf wv_bcbuf;
128 struct mtx wv_mtx;
129
130 uint8_t wv_gtk;
131 #define WPI_VAP_KEY(kid) (1 << kid)
132
133 int (*wv_newstate)(struct ieee80211vap *,
134 enum ieee80211_state, int);
135 void (*wv_recv_mgmt)(struct ieee80211_node *,
136 struct mbuf *, int,
137 const struct ieee80211_rx_stats *,
138 int, int);
139 };
140 #define WPI_VAP(vap) ((struct wpi_vap *)(vap))
141
142 #define WPI_VAP_LOCK_INIT(_wvp) \
143 mtx_init(&(_wvp)->wv_mtx, "lock for wv_bcbuf/wv_boff structures", \
144 NULL, MTX_DEF)
145 #define WPI_VAP_LOCK(_wvp) mtx_lock(&(_wvp)->wv_mtx)
146 #define WPI_VAP_UNLOCK(_wvp) mtx_unlock(&(_wvp)->wv_mtx)
147 #define WPI_VAP_LOCK_ASSERT(_wvp) mtx_assert(&(_wvp)->wv_mtx, MA_OWNED)
148 #define WPI_VAP_LOCK_DESTROY(_wvp) mtx_destroy(&(_wvp)->wv_mtx)
149
150 struct wpi_fw_part {
151 const uint8_t *text;
152 uint32_t textsz;
153 const uint8_t *data;
154 uint32_t datasz;
155 };
156
157 struct wpi_fw_info {
158 const uint8_t *data;
159 size_t size;
160 struct wpi_fw_part init;
161 struct wpi_fw_part main;
162 struct wpi_fw_part boot;
163 };
164
165 struct wpi_softc {
166 device_t sc_dev;
167 int sc_debug;
168
169 int sc_running;
170
171 struct mtx sc_mtx;
172 struct ieee80211com sc_ic;
173
174 struct mtx tx_mtx;
175
176 /* Shared area. */
177 struct wpi_dma_info shared_dma;
178 struct wpi_shared *shared;
179
180 struct wpi_tx_ring txq[WPI_DRV_NTXQUEUES];
181 struct mtx txq_mtx;
182 struct mtx txq_state_mtx;
183
184 struct wpi_rx_ring rxq;
185 uint64_t rx_tstamp;
186
187 /* TX Thermal Callibration. */
188 struct callout calib_to;
189
190 struct callout scan_timeout;
191 struct callout tx_timeout;
192
193 /* Watch dog timer. */
194 struct callout watchdog_rfkill;
195
196 /* Firmware image. */
197 struct wpi_fw_info fw;
198 uint32_t errptr;
199
200 struct resource *irq;
201 struct resource *mem;
202 bus_space_tag_t sc_st;
203 bus_space_handle_t sc_sh;
204 void *sc_ih;
205 bus_size_t sc_sz;
206 int sc_cap_off; /* PCIe Capabilities. */
207
208 struct wpi_rxon rxon;
209 struct mtx rxon_mtx;
210
211 int temp;
212
213 uint32_t nodesmsk;
214 struct mtx nt_mtx;
215
216 void (*sc_node_free)(struct ieee80211_node *);
217 void (*sc_update_rx_ring)(struct wpi_softc *);
218 void (*sc_update_tx_ring)(struct wpi_softc *,
219 struct wpi_tx_ring *);
220
221 struct wpi_rx_radiotap_header sc_rxtap;
222 struct wpi_tx_radiotap_header sc_txtap;
223
224 /* Firmware image. */
225 const struct firmware *fw_fp;
226
227 /* Firmware DMA transfer. */
228 struct wpi_dma_info fw_dma;
229
230 /* Tasks used by the driver. */
231 struct task sc_radiooff_task;
232 struct task sc_radioon_task;
233
234 /* Eeprom info. */
235 uint8_t cap;
236 uint16_t rev;
237 uint8_t type;
238 struct wpi_eeprom_chan
239 eeprom_channels[WPI_CHAN_BANDS_COUNT][WPI_MAX_CHAN_PER_BAND];
240 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT];
241 int8_t maxpwr[IEEE80211_CHAN_MAX];
242 char domain[4]; /* Regulatory domain. */
243 };
244
245 /*
246 * Locking order:
247 * 1. WPI_LOCK;
248 * 2. WPI_RXON_LOCK;
249 * 3. WPI_TX_LOCK;
250 * 4. WPI_NT_LOCK / WPI_VAP_LOCK;
251 * 5. WPI_TXQ_LOCK;
252 * 6. WPI_TXQ_STATE_LOCK;
253 */
254
255 #define WPI_LOCK_INIT(_sc) \
256 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
257 MTX_NETWORK_LOCK, MTX_DEF)
258 #define WPI_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
259 #define WPI_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
260 #define WPI_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
261 #define WPI_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
262
263 #define WPI_RXON_LOCK_INIT(_sc) \
264 mtx_init(&(_sc)->rxon_mtx, "lock for wpi_rxon structure", NULL, MTX_DEF)
265 #define WPI_RXON_LOCK(_sc) mtx_lock(&(_sc)->rxon_mtx)
266 #define WPI_RXON_UNLOCK(_sc) mtx_unlock(&(_sc)->rxon_mtx)
267 #define WPI_RXON_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rxon_mtx, MA_OWNED)
268 #define WPI_RXON_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rxon_mtx)
269
270 #define WPI_TX_LOCK_INIT(_sc) \
271 mtx_init(&(_sc)->tx_mtx, "tx path lock", NULL, MTX_DEF)
272 #define WPI_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx)
273 #define WPI_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx)
274 #define WPI_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx)
275
276 #define WPI_NT_LOCK_INIT(_sc) \
277 mtx_init(&(_sc)->nt_mtx, "node table lock", NULL, MTX_DEF)
278 #define WPI_NT_LOCK(_sc) mtx_lock(&(_sc)->nt_mtx)
279 #define WPI_NT_UNLOCK(_sc) mtx_unlock(&(_sc)->nt_mtx)
280 #define WPI_NT_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->nt_mtx)
281
282 #define WPI_TXQ_LOCK_INIT(_sc) \
283 mtx_init(&(_sc)->txq_mtx, "txq/cmdq lock", NULL, MTX_DEF)
284 #define WPI_TXQ_LOCK(_sc) mtx_lock(&(_sc)->txq_mtx)
285 #define WPI_TXQ_UNLOCK(_sc) mtx_unlock(&(_sc)->txq_mtx)
286 #define WPI_TXQ_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->txq_mtx)
287
288 #define WPI_TXQ_STATE_LOCK_INIT(_sc) \
289 mtx_init(&(_sc)->txq_state_mtx, "txq state lock", NULL, MTX_DEF)
290 #define WPI_TXQ_STATE_LOCK(_sc) mtx_lock(&(_sc)->txq_state_mtx)
291 #define WPI_TXQ_STATE_UNLOCK(_sc) mtx_unlock(&(_sc)->txq_state_mtx)
292 #define WPI_TXQ_STATE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->txq_state_mtx)
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