1 /* $FreeBSD$ */
2 /* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 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 int read;
82 };
83
84 struct iwn_softc;
85
86 struct iwn_rx_data {
87 struct mbuf *m;
88 bus_dmamap_t map;
89 };
90
91 struct iwn_rx_ring {
92 struct iwn_dma_info desc_dma;
93 struct iwn_dma_info stat_dma;
94 uint32_t *desc;
95 struct iwn_rx_status *stat;
96 struct iwn_rx_data data[IWN_RX_RING_COUNT];
97 bus_dma_tag_t data_dmat;
98 int cur;
99 };
100
101 struct iwn_node {
102 struct ieee80211_node ni; /* must be the first */
103 uint16_t disable_tid;
104 uint8_t id;
105 uint32_t ridx[256];
106 struct {
107 uint64_t bitmap;
108 int startidx;
109 int nframes;
110 } agg[IEEE80211_TID_SIZE];
111 };
112
113 struct iwn_calib_state {
114 uint8_t state;
115 #define IWN_CALIB_STATE_INIT 0
116 #define IWN_CALIB_STATE_ASSOC 1
117 #define IWN_CALIB_STATE_RUN 2
118
119 u_int nbeacons;
120 uint32_t noise[3];
121 uint32_t rssi[3];
122 uint32_t ofdm_x1;
123 uint32_t ofdm_mrc_x1;
124 uint32_t ofdm_x4;
125 uint32_t ofdm_mrc_x4;
126 uint32_t cck_x4;
127 uint32_t cck_mrc_x4;
128 uint32_t bad_plcp_ofdm;
129 uint32_t fa_ofdm;
130 uint32_t bad_plcp_cck;
131 uint32_t fa_cck;
132 uint32_t low_fa;
133 uint8_t cck_state;
134 #define IWN_CCK_STATE_INIT 0
135 #define IWN_CCK_STATE_LOFA 1
136 #define IWN_CCK_STATE_HIFA 2
137
138 uint8_t noise_samples[20];
139 u_int cur_noise_sample;
140 uint8_t noise_ref;
141 uint32_t energy_samples[10];
142 u_int cur_energy_sample;
143 uint32_t energy_cck;
144 };
145
146 struct iwn_calib_info {
147 uint8_t *buf;
148 u_int len;
149 };
150
151 struct iwn_fw_part {
152 const uint8_t *text;
153 uint32_t textsz;
154 const uint8_t *data;
155 uint32_t datasz;
156 };
157
158 struct iwn_fw_info {
159 const uint8_t *data;
160 size_t size;
161 struct iwn_fw_part init;
162 struct iwn_fw_part main;
163 struct iwn_fw_part boot;
164 };
165
166 struct iwn_ops {
167 int (*load_firmware)(struct iwn_softc *);
168 void (*read_eeprom)(struct iwn_softc *);
169 int (*post_alive)(struct iwn_softc *);
170 int (*nic_config)(struct iwn_softc *);
171 void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
172 uint16_t);
173 int (*get_temperature)(struct iwn_softc *);
174 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
175 int (*set_txpower)(struct iwn_softc *,
176 struct ieee80211_channel *, int);
177 int (*init_gains)(struct iwn_softc *);
178 int (*set_gains)(struct iwn_softc *);
179 int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
180 int);
181 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
182 struct iwn_rx_data *);
183 void (*ampdu_tx_start)(struct iwn_softc *,
184 struct ieee80211_node *, int, uint8_t, uint16_t);
185 void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t,
186 uint16_t);
187 };
188
189 struct iwn_vap {
190 struct ieee80211vap iv_vap;
191 uint8_t iv_ridx;
192
193 int (*iv_newstate)(struct ieee80211vap *,
194 enum ieee80211_state, int);
195 };
196 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
197
198 struct iwn_softc {
199 device_t sc_dev;
200
201 struct ifnet *sc_ifp;
202 int sc_debug;
203
204 struct mtx sc_mtx;
205
206 u_int sc_flags;
207 #define IWN_FLAG_HAS_OTPROM (1 << 1)
208 #define IWN_FLAG_CALIB_DONE (1 << 2)
209 #define IWN_FLAG_USE_ICT (1 << 3)
210 #define IWN_FLAG_INTERNAL_PA (1 << 4)
211 #define IWN_FLAG_HAS_11N (1 << 6)
212 #define IWN_FLAG_ENH_SENS (1 << 7)
213 #define IWN_FLAG_ADV_BTCOEX (1 << 8)
214
215 uint8_t hw_type;
216
217 struct iwn_ops ops;
218 const char *fwname;
219 const struct iwn_sensitivity_limits
220 *limits;
221 int ntxqs;
222 int firstaggqueue;
223 int ndmachnls;
224 uint8_t broadcast_id;
225 int rxonsz;
226 int schedsz;
227 uint32_t fw_text_maxsz;
228 uint32_t fw_data_maxsz;
229 uint32_t fwsz;
230 bus_size_t sched_txfact_addr;
231 uint32_t reset_noise_gain;
232 uint32_t noise_gain;
233
234 /* TX scheduler rings. */
235 struct iwn_dma_info sched_dma;
236 uint16_t *sched;
237 uint32_t sched_base;
238
239 /* "Keep Warm" page. */
240 struct iwn_dma_info kw_dma;
241
242 /* Firmware image. */
243 const struct firmware *fw_fp;
244
245 /* Firmware DMA transfer. */
246 struct iwn_dma_info fw_dma;
247
248 /* ICT table. */
249 struct iwn_dma_info ict_dma;
250 uint32_t *ict;
251 int ict_cur;
252
253 /* TX/RX rings. */
254 struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
255 struct iwn_rx_ring rxq;
256
257 struct resource *mem;
258 bus_space_tag_t sc_st;
259 bus_space_handle_t sc_sh;
260 struct resource *irq;
261 void *sc_ih;
262 bus_size_t sc_sz;
263 int sc_cap_off; /* PCIe Capabilities. */
264
265 /* Tasks used by the driver */
266 struct task sc_reinit_task;
267 struct task sc_radioon_task;
268 struct task sc_radiooff_task;
269
270 struct callout calib_to;
271 int calib_cnt;
272 struct iwn_calib_state calib;
273 struct callout watchdog_to;
274
275 struct iwn_fw_info fw;
276 struct iwn_calib_info calibcmd[5];
277 uint32_t errptr;
278
279 struct iwn_rx_stat last_rx_stat;
280 int last_rx_valid;
281 struct iwn_ucode_info ucode_info;
282 struct iwn_rxon rxon;
283 uint32_t rawtemp;
284 int temp;
285 int noise;
286 uint32_t qfullmsk;
287
288 uint32_t prom_base;
289 struct iwn4965_eeprom_band
290 bands[IWN_NBANDS];
291 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
292 uint16_t rfcfg;
293 uint8_t calib_ver;
294 char eeprom_domain[4];
295 uint32_t eeprom_crystal;
296 int16_t eeprom_temp;
297 int16_t eeprom_voltage;
298 int8_t maxpwr2GHz;
299 int8_t maxpwr5GHz;
300 int8_t maxpwr[IEEE80211_CHAN_MAX];
301
302 int32_t temp_off;
303 uint32_t int_mask;
304 uint8_t ntxchains;
305 uint8_t nrxchains;
306 uint8_t txchainmask;
307 uint8_t rxchainmask;
308 uint8_t chainmask;
309
310 int sc_tx_timer;
311
312 struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES];
313
314 int (*sc_ampdu_rx_start)(struct ieee80211_node *,
315 struct ieee80211_rx_ampdu *, int, int, int);
316 void (*sc_ampdu_rx_stop)(struct ieee80211_node *,
317 struct ieee80211_rx_ampdu *);
318 int (*sc_addba_request)(struct ieee80211_node *,
319 struct ieee80211_tx_ampdu *, int, int, int);
320 int (*sc_addba_response)(struct ieee80211_node *,
321 struct ieee80211_tx_ampdu *, int, int, int);
322 void (*sc_addba_stop)(struct ieee80211_node *,
323 struct ieee80211_tx_ampdu *);
324
325
326 struct iwn_rx_radiotap_header sc_rxtap;
327 struct iwn_tx_radiotap_header sc_txtap;
328 };
329
330 #define IWN_LOCK_INIT(_sc) \
331 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
332 MTX_NETWORK_LOCK, MTX_DEF)
333 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
334 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
335 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
336 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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