Commit | Line | Data |
---|---|---|
f078f209 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2008-2011 Atheros Communications Inc. |
f078f209 LR |
3 | * |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifndef ATH9K_H | |
18 | #define ATH9K_H | |
19 | ||
394cf0a1 S |
20 | #include <linux/etherdevice.h> |
21 | #include <linux/device.h> | |
a6b7a407 | 22 | #include <linux/interrupt.h> |
394cf0a1 | 23 | #include <linux/leds.h> |
9f42c2b6 | 24 | #include <linux/completion.h> |
8d7e09dd | 25 | #include <linux/time.h> |
ed14dc0a | 26 | #include <linux/hw_random.h> |
394cf0a1 | 27 | |
db86f07e | 28 | #include "common.h" |
9d83cd5c | 29 | #include "debug.h" |
7dc181c2 | 30 | #include "mci.h" |
8e92d3f2 | 31 | #include "dfs.h" |
db86f07e | 32 | |
394cf0a1 | 33 | struct ath_node; |
11e39a4e | 34 | struct ath_vif; |
394cf0a1 | 35 | |
7b6ef998 SM |
36 | extern struct ieee80211_ops ath9k_ops; |
37 | extern int ath9k_modparam_nohwcrypt; | |
0c8a1e43 | 38 | extern int ath9k_led_blink; |
7b6ef998 | 39 | extern bool is_ath9k_unloaded; |
78b21949 | 40 | extern int ath9k_use_chanctx; |
394cf0a1 | 41 | |
394cf0a1 S |
42 | /*************************/ |
43 | /* Descriptor Management */ | |
44 | /*************************/ | |
45 | ||
7b6ef998 SM |
46 | #define ATH_TXSTATUS_RING_SIZE 512 |
47 | ||
48 | /* Macro to expand scalars to 64-bit objects */ | |
49 | #define ito64(x) (sizeof(x) == 1) ? \ | |
50 | (((unsigned long long int)(x)) & (0xff)) : \ | |
51 | (sizeof(x) == 2) ? \ | |
52 | (((unsigned long long int)(x)) & 0xffff) : \ | |
53 | ((sizeof(x) == 4) ? \ | |
54 | (((unsigned long long int)(x)) & 0xffffffff) : \ | |
55 | (unsigned long long int)(x)) | |
56 | ||
394cf0a1 | 57 | #define ATH_TXBUF_RESET(_bf) do { \ |
394cf0a1 S |
58 | (_bf)->bf_lastbf = NULL; \ |
59 | (_bf)->bf_next = NULL; \ | |
60 | memset(&((_bf)->bf_state), 0, \ | |
61 | sizeof(struct ath_buf_state)); \ | |
62 | } while (0) | |
63 | ||
c3d77696 MSS |
64 | #define DS2PHYS(_dd, _ds) \ |
65 | ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) | |
66 | #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0) | |
67 | #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096) | |
68 | ||
394cf0a1 | 69 | struct ath_descdma { |
5088c2f1 | 70 | void *dd_desc; |
17d7904d S |
71 | dma_addr_t dd_desc_paddr; |
72 | u32 dd_desc_len; | |
394cf0a1 S |
73 | }; |
74 | ||
75 | int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, | |
76 | struct list_head *head, const char *name, | |
4adfcded | 77 | int nbuf, int ndesc, bool is_tx); |
394cf0a1 S |
78 | |
79 | /***********/ | |
80 | /* RX / TX */ | |
81 | /***********/ | |
82 | ||
7b6ef998 SM |
83 | #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) |
84 | ||
85 | /* increment with wrap-around */ | |
86 | #define INCR(_l, _sz) do { \ | |
87 | (_l)++; \ | |
88 | (_l) &= ((_sz) - 1); \ | |
89 | } while (0) | |
90 | ||
394cf0a1 | 91 | #define ATH_RXBUF 512 |
394cf0a1 | 92 | #define ATH_TXBUF 512 |
84642d6b FF |
93 | #define ATH_TXBUF_RESERVE 5 |
94 | #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) | |
394cf0a1 | 95 | #define ATH_TXMAXTRY 13 |
7b6ef998 | 96 | #define ATH_MAX_SW_RETRIES 30 |
394cf0a1 S |
97 | |
98 | #define TID_TO_WME_AC(_tid) \ | |
bea843c7 SM |
99 | ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ |
100 | (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \ | |
101 | (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \ | |
102 | IEEE80211_AC_VO) | |
394cf0a1 | 103 | |
394cf0a1 S |
104 | #define ATH_AGGR_DELIM_SZ 4 |
105 | #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ | |
106 | /* number of delimiters for encryption padding */ | |
107 | #define ATH_AGGR_ENCRYPTDELIM 10 | |
108 | /* minimum h/w qdepth to be sustained to maximize aggregation */ | |
109 | #define ATH_AGGR_MIN_QDEPTH 2 | |
2800e82b FF |
110 | /* minimum h/w qdepth for non-aggregated traffic */ |
111 | #define ATH_NON_AGGR_MIN_QDEPTH 8 | |
7b6ef998 SM |
112 | #define ATH_TX_COMPLETE_POLL_INT 1000 |
113 | #define ATH_TXFIFO_DEPTH 8 | |
114 | #define ATH_TX_ERROR 0x01 | |
394cf0a1 | 115 | |
d463af4a FF |
116 | /* Stop tx traffic 1ms before the GO goes away */ |
117 | #define ATH_P2P_PS_STOP_TIME 1000 | |
118 | ||
394cf0a1 S |
119 | #define IEEE80211_SEQ_SEQ_SHIFT 4 |
120 | #define IEEE80211_SEQ_MAX 4096 | |
394cf0a1 S |
121 | #define IEEE80211_WEP_IVLEN 3 |
122 | #define IEEE80211_WEP_KIDLEN 1 | |
123 | #define IEEE80211_WEP_CRCLEN 4 | |
124 | #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \ | |
125 | (IEEE80211_WEP_IVLEN + \ | |
126 | IEEE80211_WEP_KIDLEN + \ | |
127 | IEEE80211_WEP_CRCLEN)) | |
128 | ||
129 | /* return whether a bit at index _n in bitmap _bm is set | |
130 | * _sz is the size of the bitmap */ | |
131 | #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ | |
132 | ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) | |
133 | ||
134 | /* return block-ack bitmap index given sequence and starting sequence */ | |
135 | #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) | |
136 | ||
156369fa FF |
137 | /* return the seqno for _start + _offset */ |
138 | #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1)) | |
139 | ||
394cf0a1 S |
140 | /* returns delimiter padding required given the packet length */ |
141 | #define ATH_AGGR_GET_NDELIM(_len) \ | |
39ec2997 VT |
142 | (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \ |
143 | DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ)) | |
394cf0a1 S |
144 | |
145 | #define BAW_WITHIN(_start, _bawsz, _seqno) \ | |
146 | ((((_seqno) - (_start)) & 4095) < (_bawsz)) | |
147 | ||
394cf0a1 S |
148 | #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) |
149 | ||
350e2dcb SM |
150 | #define IS_HT_RATE(rate) (rate & 0x80) |
151 | #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) | |
152 | #define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf)) | |
365d2ebc | 153 | |
9e495a26 SM |
154 | enum { |
155 | WLAN_RC_PHY_OFDM, | |
156 | WLAN_RC_PHY_CCK, | |
157 | }; | |
158 | ||
394cf0a1 | 159 | struct ath_txq { |
60f2d1d5 BG |
160 | int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ |
161 | u32 axq_qnum; /* ath9k hardware queue number */ | |
fce041be | 162 | void *axq_link; |
17d7904d | 163 | struct list_head axq_q; |
394cf0a1 | 164 | spinlock_t axq_lock; |
17d7904d | 165 | u32 axq_depth; |
4b3ba66a | 166 | u32 axq_ampdu_depth; |
17d7904d | 167 | bool stopped; |
164ace38 | 168 | bool axq_tx_inprogress; |
e5003249 | 169 | struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; |
e5003249 VT |
170 | u8 txq_headidx; |
171 | u8 txq_tailidx; | |
066dae93 | 172 | int pending_frames; |
23de5dc9 | 173 | struct sk_buff_head complete_q; |
394cf0a1 S |
174 | }; |
175 | ||
2d42efc4 | 176 | struct ath_frame_info { |
56dc6336 | 177 | struct ath_buf *bf; |
d954cd77 FF |
178 | u16 framelen; |
179 | s8 txq; | |
a75c0629 | 180 | u8 keyix; |
80b08a8d | 181 | u8 rtscts_rate; |
8fed1408 FF |
182 | u8 retries : 7; |
183 | u8 baw_tracked : 1; | |
8b537686 | 184 | u8 tx_power; |
3a79e1df | 185 | enum ath9k_key_type keytype:2; |
2d42efc4 FF |
186 | }; |
187 | ||
1a04d59d FF |
188 | struct ath_rxbuf { |
189 | struct list_head list; | |
190 | struct sk_buff *bf_mpdu; | |
191 | void *bf_desc; | |
192 | dma_addr_t bf_daddr; | |
193 | dma_addr_t bf_buf_addr; | |
194 | }; | |
195 | ||
7b6ef998 SM |
196 | /** |
197 | * enum buffer_type - Buffer type flags | |
198 | * | |
199 | * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) | |
200 | * @BUF_AGGR: Indicates whether the buffer can be aggregated | |
201 | * (used in aggregation scheduling) | |
202 | */ | |
203 | enum buffer_type { | |
204 | BUF_AMPDU = BIT(0), | |
205 | BUF_AGGR = BIT(1), | |
206 | }; | |
207 | ||
208 | #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) | |
209 | #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) | |
210 | ||
93ef24b2 | 211 | struct ath_buf_state { |
93ef24b2 | 212 | u8 bf_type; |
9f42c2b6 | 213 | u8 bfs_paprd; |
399c6489 | 214 | u8 ndelim; |
50676b81 | 215 | bool stale; |
6a0ddaef | 216 | u16 seqno; |
9cf04dcc | 217 | unsigned long bfs_paprd_timestamp; |
93ef24b2 S |
218 | }; |
219 | ||
220 | struct ath_buf { | |
221 | struct list_head list; | |
222 | struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or | |
223 | an aggregate) */ | |
224 | struct ath_buf *bf_next; /* next subframe in the aggregate */ | |
225 | struct sk_buff *bf_mpdu; /* enclosing frame structure */ | |
226 | void *bf_desc; /* virtual addr of desc */ | |
227 | dma_addr_t bf_daddr; /* physical addr of desc */ | |
c1739eb3 | 228 | dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ |
79acac07 | 229 | struct ieee80211_tx_rate rates[4]; |
93ef24b2 | 230 | struct ath_buf_state bf_state; |
93ef24b2 S |
231 | }; |
232 | ||
233 | struct ath_atx_tid { | |
234 | struct list_head list; | |
56dc6336 | 235 | struct sk_buff_head buf_q; |
bb195ff6 | 236 | struct sk_buff_head retry_q; |
93ef24b2 | 237 | struct ath_node *an; |
592fa228 | 238 | struct ath_txq *txq; |
81ee13ba | 239 | unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; |
93ef24b2 S |
240 | u16 seq_start; |
241 | u16 seq_next; | |
242 | u16 baw_size; | |
50676b81 | 243 | u8 tidno; |
93ef24b2 S |
244 | int baw_head; /* first un-acked tx buffer */ |
245 | int baw_tail; /* next unused tx buffer slot */ | |
50676b81 FF |
246 | |
247 | s8 bar_index; | |
08c96abd | 248 | bool active; |
592fa228 | 249 | bool clear_ps_filter; |
93ef24b2 S |
250 | }; |
251 | ||
252 | struct ath_node { | |
a145daf7 | 253 | struct ath_softc *sc; |
7f010c93 | 254 | struct ieee80211_sta *sta; /* station struct we're part of */ |
7e1e3864 | 255 | struct ieee80211_vif *vif; /* interface with which we're associated */ |
de7b7604 | 256 | struct ath_atx_tid tid[IEEE80211_NUM_TIDS]; |
93ae2dd2 | 257 | |
93ef24b2 S |
258 | u16 maxampdu; |
259 | u8 mpdudensity; | |
50676b81 | 260 | s8 ps_key; |
5519541d FF |
261 | |
262 | bool sleeping; | |
f89d1bc4 | 263 | bool no_ps_filter; |
350e2dcb SM |
264 | |
265 | #ifdef CONFIG_ATH9K_STATION_STATISTICS | |
266 | struct ath_rx_rate_stats rx_rate_stats; | |
267 | #endif | |
4bbf4414 | 268 | u8 key_idx[4]; |
c774d57f LB |
269 | |
270 | u32 ackto; | |
271 | struct list_head list; | |
93ef24b2 S |
272 | }; |
273 | ||
394cf0a1 S |
274 | struct ath_tx_control { |
275 | struct ath_txq *txq; | |
2d42efc4 | 276 | struct ath_node *an; |
36323f81 | 277 | struct ieee80211_sta *sta; |
befcf7e7 FF |
278 | u8 paprd; |
279 | bool force_channel; | |
394cf0a1 S |
280 | }; |
281 | ||
394cf0a1 | 282 | |
60f2d1d5 BG |
283 | /** |
284 | * @txq_map: Index is mac80211 queue number. This is | |
285 | * not necessarily the same as the hardware queue number | |
286 | * (axq_qnum). | |
287 | */ | |
394cf0a1 | 288 | struct ath_tx { |
394cf0a1 | 289 | u32 txqsetup; |
394cf0a1 S |
290 | spinlock_t txbuflock; |
291 | struct list_head txbuf; | |
292 | struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; | |
293 | struct ath_descdma txdma; | |
bea843c7 | 294 | struct ath_txq *txq_map[IEEE80211_NUM_ACS]; |
f2c7a793 | 295 | struct ath_txq *uapsdq; |
bea843c7 SM |
296 | u32 txq_max_pending[IEEE80211_NUM_ACS]; |
297 | u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32]; | |
394cf0a1 S |
298 | }; |
299 | ||
b5c80475 FF |
300 | struct ath_rx_edma { |
301 | struct sk_buff_head rx_fifo; | |
b5c80475 FF |
302 | u32 rx_fifo_hwsize; |
303 | }; | |
304 | ||
394cf0a1 S |
305 | struct ath_rx { |
306 | u8 defant; | |
307 | u8 rxotherant; | |
723e7113 | 308 | bool discard_next; |
394cf0a1 | 309 | u32 *rxlink; |
6995fb80 | 310 | u32 num_pkts; |
394cf0a1 S |
311 | struct list_head rxbuf; |
312 | struct ath_descdma rxdma; | |
b5c80475 | 313 | struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; |
0d95521e | 314 | |
1a04d59d | 315 | struct ath_rxbuf *buf_hold; |
0d95521e | 316 | struct sk_buff *frag; |
21fbbca3 CL |
317 | |
318 | u32 ampdu_ref; | |
394cf0a1 S |
319 | }; |
320 | ||
fb02e95c SM |
321 | /*******************/ |
322 | /* Channel Context */ | |
323 | /*******************/ | |
324 | ||
fbbcd146 FF |
325 | struct ath_chanctx { |
326 | struct cfg80211_chan_def chandef; | |
327 | struct list_head vifs; | |
0453531e | 328 | struct list_head acq[IEEE80211_NUM_ACS]; |
3ad9c386 | 329 | int hw_queue_base; |
0453531e | 330 | |
9a9c4fbc RM |
331 | /* do not dereference, use for comparison only */ |
332 | struct ieee80211_vif *primary_sta; | |
333 | ||
ca900ac9 | 334 | struct ath_beacon_config beacon; |
b01459e8 | 335 | struct ath9k_hw_cal_data caldata; |
8d7e09dd FF |
336 | struct timespec tsf_ts; |
337 | u64 tsf_val; | |
58b57375 | 338 | u32 last_beacon; |
b01459e8 | 339 | |
2fae0d9f | 340 | int flush_timeout; |
bc7e1be7 | 341 | u16 txpower; |
d385c5c2 | 342 | u16 cur_txpower; |
fbbcd146 | 343 | bool offchannel; |
bff11766 | 344 | bool stopped; |
c083ce99 | 345 | bool active; |
39305635 | 346 | bool assigned; |
748299f2 | 347 | bool switch_after_beacon; |
fce34430 | 348 | |
ca529c93 | 349 | short nvifs; |
2ce73c02 | 350 | short nvifs_assigned; |
fce34430 | 351 | unsigned int rxfilter; |
748299f2 FF |
352 | }; |
353 | ||
354 | enum ath_chanctx_event { | |
355 | ATH_CHANCTX_EVENT_BEACON_PREPARE, | |
356 | ATH_CHANCTX_EVENT_BEACON_SENT, | |
357 | ATH_CHANCTX_EVENT_TSF_TIMER, | |
58b57375 | 358 | ATH_CHANCTX_EVENT_BEACON_RECEIVED, |
b8f9279b | 359 | ATH_CHANCTX_EVENT_AUTHORIZED, |
73fa2f26 | 360 | ATH_CHANCTX_EVENT_SWITCH, |
02da18b7 | 361 | ATH_CHANCTX_EVENT_ASSIGN, |
73fa2f26 | 362 | ATH_CHANCTX_EVENT_UNASSIGN, |
02da18b7 | 363 | ATH_CHANCTX_EVENT_CHANGE, |
73fa2f26 | 364 | ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL, |
748299f2 FF |
365 | }; |
366 | ||
367 | enum ath_chanctx_state { | |
368 | ATH_CHANCTX_STATE_IDLE, | |
369 | ATH_CHANCTX_STATE_WAIT_FOR_BEACON, | |
370 | ATH_CHANCTX_STATE_WAIT_FOR_TIMER, | |
371 | ATH_CHANCTX_STATE_SWITCH, | |
6036c284 | 372 | ATH_CHANCTX_STATE_FORCE_ACTIVE, |
748299f2 FF |
373 | }; |
374 | ||
375 | struct ath_chanctx_sched { | |
376 | bool beacon_pending; | |
d9092c98 | 377 | bool beacon_adjust; |
73fa2f26 | 378 | bool offchannel_pending; |
367b341e | 379 | bool wait_switch; |
d0975edd | 380 | bool force_noa_update; |
167bf96d | 381 | bool extend_absence; |
c6500ea2 | 382 | bool mgd_prepare_tx; |
748299f2 | 383 | enum ath_chanctx_state state; |
ec70abe1 | 384 | u8 beacon_miss; |
748299f2 FF |
385 | |
386 | u32 next_tbtt; | |
3ae07d39 FF |
387 | u32 switch_start_time; |
388 | unsigned int offchannel_duration; | |
748299f2 | 389 | unsigned int channel_switch_time; |
42eda115 FF |
390 | |
391 | /* backup, in case the hardware timer fails */ | |
392 | struct timer_list timer; | |
fbbcd146 FF |
393 | }; |
394 | ||
78b21949 FF |
395 | enum ath_offchannel_state { |
396 | ATH_OFFCHANNEL_IDLE, | |
397 | ATH_OFFCHANNEL_PROBE_SEND, | |
398 | ATH_OFFCHANNEL_PROBE_WAIT, | |
399 | ATH_OFFCHANNEL_SUSPEND, | |
405393cf FF |
400 | ATH_OFFCHANNEL_ROC_START, |
401 | ATH_OFFCHANNEL_ROC_WAIT, | |
402 | ATH_OFFCHANNEL_ROC_DONE, | |
78b21949 FF |
403 | }; |
404 | ||
d83520b7 JD |
405 | enum ath_roc_complete_reason { |
406 | ATH_ROC_COMPLETE_EXPIRE, | |
407 | ATH_ROC_COMPLETE_ABORT, | |
408 | ATH_ROC_COMPLETE_CANCEL, | |
409 | }; | |
410 | ||
78b21949 FF |
411 | struct ath_offchannel { |
412 | struct ath_chanctx chan; | |
413 | struct timer_list timer; | |
414 | struct cfg80211_scan_request *scan_req; | |
415 | struct ieee80211_vif *scan_vif; | |
416 | int scan_idx; | |
417 | enum ath_offchannel_state state; | |
405393cf FF |
418 | struct ieee80211_channel *roc_chan; |
419 | struct ieee80211_vif *roc_vif; | |
420 | int roc_duration; | |
ea6ff2de | 421 | int duration; |
78b21949 | 422 | }; |
5a8cbec7 SM |
423 | |
424 | #define case_rtn_string(val) case val: return #val | |
425 | ||
c4dc0d04 RM |
426 | #define ath_for_each_chanctx(_sc, _ctx) \ |
427 | for (ctx = &sc->chanctx[0]; \ | |
428 | ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \ | |
429 | ctx++) | |
78b21949 | 430 | |
6e47fafb SM |
431 | void ath_chanctx_init(struct ath_softc *sc); |
432 | void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx, | |
433 | struct cfg80211_chan_def *chandef); | |
434 | ||
435 | #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT | |
436 | ||
39305635 FF |
437 | static inline struct ath_chanctx * |
438 | ath_chanctx_get(struct ieee80211_chanctx_conf *ctx) | |
439 | { | |
440 | struct ath_chanctx **ptr = (void *) ctx->drv_priv; | |
441 | return *ptr; | |
442 | } | |
6e47fafb | 443 | |
499afacc SM |
444 | bool ath9k_is_chanctx_enabled(void); |
445 | void ath9k_fill_chanctx_ops(void); | |
705d0bf8 | 446 | void ath9k_init_channel_context(struct ath_softc *sc); |
e90e302a | 447 | void ath9k_offchannel_init(struct ath_softc *sc); |
ea22df29 | 448 | void ath9k_deinit_channel_context(struct ath_softc *sc); |
c7dd40c9 SM |
449 | int ath9k_init_p2p(struct ath_softc *sc); |
450 | void ath9k_deinit_p2p(struct ath_softc *sc); | |
451 | void ath9k_p2p_remove_vif(struct ath_softc *sc, | |
452 | struct ieee80211_vif *vif); | |
453 | void ath9k_p2p_beacon_sync(struct ath_softc *sc); | |
454 | void ath9k_p2p_bss_info_changed(struct ath_softc *sc, | |
455 | struct ieee80211_vif *vif); | |
11e39a4e SM |
456 | void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, |
457 | struct sk_buff *skb); | |
c7dd40c9 | 458 | void ath9k_p2p_ps_timer(void *priv); |
b3903153 | 459 | void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx); |
a064eaa1 | 460 | void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx); |
a09798f4 | 461 | void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx); |
e20a854e | 462 | |
a2b28601 | 463 | void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, |
70b06dac SM |
464 | enum ath_chanctx_event ev); |
465 | void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, | |
466 | enum ath_chanctx_event ev); | |
27babf9f SM |
467 | void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, |
468 | enum ath_chanctx_event ev); | |
e20a854e | 469 | void ath_chanctx_set_next(struct ath_softc *sc, bool force); |
73b5ef0b SM |
470 | void ath_offchannel_next(struct ath_softc *sc); |
471 | void ath_scan_complete(struct ath_softc *sc, bool abort); | |
d83520b7 JD |
472 | void ath_roc_complete(struct ath_softc *sc, |
473 | enum ath_roc_complete_reason reason); | |
26103b8d | 474 | struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); |
6e47fafb | 475 | |
c7dd40c9 | 476 | #else |
6e47fafb | 477 | |
499afacc SM |
478 | static inline bool ath9k_is_chanctx_enabled(void) |
479 | { | |
480 | return false; | |
481 | } | |
482 | static inline void ath9k_fill_chanctx_ops(void) | |
483 | { | |
484 | } | |
705d0bf8 SM |
485 | static inline void ath9k_init_channel_context(struct ath_softc *sc) |
486 | { | |
487 | } | |
e90e302a SM |
488 | static inline void ath9k_offchannel_init(struct ath_softc *sc) |
489 | { | |
490 | } | |
ea22df29 SM |
491 | static inline void ath9k_deinit_channel_context(struct ath_softc *sc) |
492 | { | |
493 | } | |
a2b28601 | 494 | static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, |
70b06dac SM |
495 | enum ath_chanctx_event ev) |
496 | { | |
497 | } | |
498 | static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, | |
499 | enum ath_chanctx_event ev) | |
500 | { | |
501 | } | |
27babf9f SM |
502 | static inline void ath_chanctx_event(struct ath_softc *sc, |
503 | struct ieee80211_vif *vif, | |
504 | enum ath_chanctx_event ev) | |
505 | { | |
506 | } | |
c7dd40c9 SM |
507 | static inline int ath9k_init_p2p(struct ath_softc *sc) |
508 | { | |
509 | return 0; | |
510 | } | |
511 | static inline void ath9k_deinit_p2p(struct ath_softc *sc) | |
512 | { | |
513 | } | |
514 | static inline void ath9k_p2p_remove_vif(struct ath_softc *sc, | |
515 | struct ieee80211_vif *vif) | |
516 | { | |
517 | } | |
518 | static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc) | |
519 | { | |
520 | } | |
521 | static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc, | |
522 | struct ieee80211_vif *vif) | |
523 | { | |
524 | } | |
11e39a4e SM |
525 | static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, |
526 | struct sk_buff *skb) | |
527 | { | |
528 | } | |
c7dd40c9 SM |
529 | static inline void ath9k_p2p_ps_timer(struct ath_softc *sc) |
530 | { | |
531 | } | |
b3903153 SM |
532 | static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc, |
533 | struct ath_chanctx *ctx) | |
0e08b5fb SM |
534 | { |
535 | } | |
a064eaa1 SM |
536 | static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc, |
537 | struct ath_chanctx *ctx) | |
538 | { | |
539 | } | |
a09798f4 SM |
540 | static inline void ath_chanctx_check_active(struct ath_softc *sc, |
541 | struct ath_chanctx *ctx) | |
542 | { | |
543 | } | |
6e47fafb | 544 | |
c7dd40c9 SM |
545 | #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ |
546 | ||
19ec477f | 547 | void ath_startrecv(struct ath_softc *sc); |
394cf0a1 | 548 | bool ath_stoprecv(struct ath_softc *sc); |
394cf0a1 S |
549 | u32 ath_calcrxfilter(struct ath_softc *sc); |
550 | int ath_rx_init(struct ath_softc *sc, int nbufs); | |
551 | void ath_rx_cleanup(struct ath_softc *sc); | |
b5c80475 | 552 | int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); |
394cf0a1 | 553 | struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); |
ef1b6cd9 SM |
554 | void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq); |
555 | void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq); | |
556 | void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); | |
394cf0a1 | 557 | void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); |
1381559b FF |
558 | bool ath_drain_all_txq(struct ath_softc *sc); |
559 | void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq); | |
394cf0a1 S |
560 | void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); |
561 | void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); | |
562 | void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); | |
0453531e | 563 | void ath_txq_schedule_all(struct ath_softc *sc); |
394cf0a1 | 564 | int ath_tx_init(struct ath_softc *sc, int nbufs); |
394cf0a1 S |
565 | int ath_txq_update(struct ath_softc *sc, int qnum, |
566 | struct ath9k_tx_queue_info *q); | |
aa5955c3 | 567 | void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); |
ca14405e | 568 | void ath_assign_seq(struct ath_common *common, struct sk_buff *skb); |
c52f33d0 | 569 | int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, |
394cf0a1 | 570 | struct ath_tx_control *txctl); |
59505c02 FF |
571 | void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
572 | struct sk_buff *skb); | |
394cf0a1 | 573 | void ath_tx_tasklet(struct ath_softc *sc); |
e5003249 | 574 | void ath_tx_edma_tasklet(struct ath_softc *sc); |
231c3a1f FF |
575 | int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, |
576 | u16 tid, u16 *ssn); | |
f83da965 | 577 | void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
394cf0a1 S |
578 | void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
579 | ||
5519541d | 580 | void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); |
042ec453 JB |
581 | void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, |
582 | struct ath_node *an); | |
86a22acf FF |
583 | void ath9k_release_buffered_frames(struct ieee80211_hw *hw, |
584 | struct ieee80211_sta *sta, | |
585 | u16 tids, int nframes, | |
586 | enum ieee80211_frame_release_type reason, | |
587 | bool more_data); | |
5519541d | 588 | |
394cf0a1 | 589 | /********/ |
17d7904d | 590 | /* VIFs */ |
394cf0a1 | 591 | /********/ |
f078f209 | 592 | |
fdcf1bd4 SM |
593 | #define P2P_DEFAULT_CTWIN 10 |
594 | ||
17d7904d | 595 | struct ath_vif { |
fbbcd146 FF |
596 | struct list_head list; |
597 | ||
ca14405e SM |
598 | u16 seq_no; |
599 | ||
cb35582a | 600 | /* BSS info */ |
62ae1aef | 601 | u8 bssid[ETH_ALEN] __aligned(2); |
cb35582a SM |
602 | u16 aid; |
603 | bool assoc; | |
604 | ||
d463af4a | 605 | struct ieee80211_vif *vif; |
f89d1bc4 | 606 | struct ath_node mcast_node; |
394cf0a1 | 607 | int av_bslot; |
4ed96f04 | 608 | __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ |
394cf0a1 | 609 | struct ath_buf *av_bcbuf; |
fbbcd146 | 610 | struct ath_chanctx *chanctx; |
d463af4a FF |
611 | |
612 | /* P2P Client */ | |
613 | struct ieee80211_noa_data noa; | |
3ae07d39 FF |
614 | |
615 | /* P2P GO */ | |
616 | u8 noa_index; | |
617 | u32 offchannel_start; | |
618 | u32 offchannel_duration; | |
7414863e | 619 | |
d0975edd SM |
620 | /* These are used for both periodic and one-shot */ |
621 | u32 noa_start; | |
622 | u32 noa_duration; | |
623 | bool periodic_noa; | |
0a019a58 | 624 | bool oneshot_noa; |
f078f209 LR |
625 | }; |
626 | ||
7b6ef998 SM |
627 | struct ath9k_vif_iter_data { |
628 | u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ | |
629 | u8 mask[ETH_ALEN]; /* bssid mask */ | |
630 | bool has_hw_macaddr; | |
9a9c4fbc RM |
631 | u8 slottime; |
632 | bool beacons; | |
7b6ef998 SM |
633 | |
634 | int naps; /* number of AP vifs */ | |
635 | int nmeshes; /* number of mesh vifs */ | |
636 | int nstations; /* number of station vifs */ | |
637 | int nwds; /* number of WDS vifs */ | |
638 | int nadhocs; /* number of adhoc vifs */ | |
862a336c | 639 | int nocbs; /* number of OCB vifs */ |
9a9c4fbc | 640 | struct ieee80211_vif *primary_sta; |
7b6ef998 SM |
641 | }; |
642 | ||
9a9c4fbc RM |
643 | void ath9k_calculate_iter_data(struct ath_softc *sc, |
644 | struct ath_chanctx *ctx, | |
7b6ef998 | 645 | struct ath9k_vif_iter_data *iter_data); |
9a9c4fbc RM |
646 | void ath9k_calculate_summary_state(struct ath_softc *sc, |
647 | struct ath_chanctx *ctx); | |
283dd119 | 648 | void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif); |
7b6ef998 | 649 | |
394cf0a1 S |
650 | /*******************/ |
651 | /* Beacon Handling */ | |
652 | /*******************/ | |
f078f209 | 653 | |
394cf0a1 S |
654 | /* |
655 | * Regardless of the number of beacons we stagger, (i.e. regardless of the | |
656 | * number of BSSIDs) if a given beacon does not go out even after waiting this | |
657 | * number of beacon intervals, the game's up. | |
658 | */ | |
c944daf4 | 659 | #define BSTUCK_THRESH 9 |
689e756f | 660 | #define ATH_BCBUF 8 |
394cf0a1 S |
661 | #define ATH_DEFAULT_BINTVAL 100 /* TU */ |
662 | #define ATH_DEFAULT_BMISS_LIMIT 10 | |
394cf0a1 | 663 | |
7b6ef998 SM |
664 | #define TSF_TO_TU(_h,_l) \ |
665 | ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) | |
666 | ||
394cf0a1 S |
667 | struct ath_beacon { |
668 | enum { | |
669 | OK, /* no change needed */ | |
670 | UPDATE, /* update pending */ | |
671 | COMMIT /* beacon sent, commit change */ | |
672 | } updateslot; /* slot time update fsm */ | |
673 | ||
674 | u32 beaconq; | |
675 | u32 bmisscnt; | |
2c3db3d5 | 676 | struct ieee80211_vif *bslot[ATH_BCBUF]; |
394cf0a1 S |
677 | int slottime; |
678 | int slotupdate; | |
394cf0a1 S |
679 | struct ath_descdma bdma; |
680 | struct ath_txq *cabq; | |
681 | struct list_head bbuf; | |
ba4903f9 FF |
682 | |
683 | bool tx_processed; | |
684 | bool tx_last; | |
394cf0a1 S |
685 | }; |
686 | ||
fb6e252f | 687 | void ath9k_beacon_tasklet(unsigned long data); |
ef4ad633 SM |
688 | void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, |
689 | u32 changed); | |
130ef6e9 SM |
690 | void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); |
691 | void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); | |
ef4ad633 | 692 | void ath9k_set_beacon(struct ath_softc *sc); |
4effc6fd MK |
693 | bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif); |
694 | void ath9k_csa_update(struct ath_softc *sc); | |
394cf0a1 | 695 | |
ef1b6cd9 SM |
696 | /*******************/ |
697 | /* Link Monitoring */ | |
698 | /*******************/ | |
f078f209 | 699 | |
20977d3e S |
700 | #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ |
701 | #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ | |
e36b27af LR |
702 | #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */ |
703 | #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */ | |
6044474e | 704 | #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ |
20977d3e S |
705 | #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ |
706 | #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ | |
7b6ef998 SM |
707 | #define ATH_ANI_MAX_SKIP_COUNT 10 |
708 | #define ATH_PAPRD_TIMEOUT 100 /* msecs */ | |
709 | #define ATH_PLL_WORK_INTERVAL 100 | |
ca369eb4 | 710 | |
ef1b6cd9 | 711 | void ath_tx_complete_poll_work(struct work_struct *work); |
236de514 | 712 | void ath_reset_work(struct work_struct *work); |
415ec61b | 713 | bool ath_hw_check(struct ath_softc *sc); |
9eab61c2 | 714 | void ath_hw_pll_work(struct work_struct *work); |
9f42c2b6 | 715 | void ath_paprd_calibrate(struct work_struct *work); |
55624204 | 716 | void ath_ani_calibrate(unsigned long data); |
da0d45f7 SM |
717 | void ath_start_ani(struct ath_softc *sc); |
718 | void ath_stop_ani(struct ath_softc *sc); | |
719 | void ath_check_ani(struct ath_softc *sc); | |
ef1b6cd9 SM |
720 | int ath_update_survey_stats(struct ath_softc *sc); |
721 | void ath_update_survey_nf(struct ath_softc *sc, int channel); | |
124b979b | 722 | void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); |
bf3dac5a | 723 | void ath_ps_full_sleep(unsigned long data); |
e2d389b5 | 724 | void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop, |
25f3bc7d | 725 | bool sw_pending, bool timeout_override); |
55624204 | 726 | |
0fca65c1 S |
727 | /**********/ |
728 | /* BTCOEX */ | |
729 | /**********/ | |
730 | ||
ac46ba43 SM |
731 | #define ATH_DUMP_BTCOEX(_s, _val) \ |
732 | do { \ | |
5e88ba62 ZK |
733 | len += scnprintf(buf + len, size - len, \ |
734 | "%20s : %10d\n", _s, (_val)); \ | |
ac46ba43 SM |
735 | } while (0) |
736 | ||
e6930c4b SM |
737 | enum bt_op_flags { |
738 | BT_OP_PRIORITY_DETECTED, | |
739 | BT_OP_SCAN, | |
740 | }; | |
741 | ||
2e20250a | 742 | struct ath_btcoex { |
2e20250a LR |
743 | spinlock_t btcoex_lock; |
744 | struct timer_list period_timer; /* Timer for BT period */ | |
168c6f89 | 745 | struct timer_list no_stomp_timer; |
2e20250a LR |
746 | u32 bt_priority_cnt; |
747 | unsigned long bt_priority_time; | |
e6930c4b | 748 | unsigned long op_flags; |
e08a6ace | 749 | int bt_stomp_type; /* Types of BT stomping */ |
168c6f89 | 750 | u32 btcoex_no_stomp; /* in msec */ |
94ae77ea | 751 | u32 btcoex_period; /* in msec */ |
168c6f89 | 752 | u32 btscan_no_stomp; /* in msec */ |
7dc181c2 | 753 | u32 duty_cycle; |
6995fb80 | 754 | u32 bt_wait_time; |
e82cb03f | 755 | int rssi_count; |
7dc181c2 | 756 | struct ath_mci_profile mci; |
2884561a | 757 | u8 stomp_audio; |
2e20250a LR |
758 | }; |
759 | ||
4daa7760 | 760 | #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT |
5908120f SM |
761 | int ath9k_init_btcoex(struct ath_softc *sc); |
762 | void ath9k_deinit_btcoex(struct ath_softc *sc); | |
df198b17 SM |
763 | void ath9k_start_btcoex(struct ath_softc *sc); |
764 | void ath9k_stop_btcoex(struct ath_softc *sc); | |
0fca65c1 S |
765 | void ath9k_btcoex_timer_resume(struct ath_softc *sc); |
766 | void ath9k_btcoex_timer_pause(struct ath_softc *sc); | |
56ca0dba | 767 | void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status); |
c0ac53fa | 768 | u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen); |
08d4df41 | 769 | void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc); |
ac46ba43 | 770 | int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size); |
4daa7760 SM |
771 | #else |
772 | static inline int ath9k_init_btcoex(struct ath_softc *sc) | |
773 | { | |
774 | return 0; | |
775 | } | |
776 | static inline void ath9k_deinit_btcoex(struct ath_softc *sc) | |
777 | { | |
778 | } | |
779 | static inline void ath9k_start_btcoex(struct ath_softc *sc) | |
780 | { | |
781 | } | |
782 | static inline void ath9k_stop_btcoex(struct ath_softc *sc) | |
783 | { | |
784 | } | |
785 | static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, | |
786 | u32 status) | |
787 | { | |
788 | } | |
789 | static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, | |
790 | u32 max_4ms_framelen) | |
791 | { | |
792 | return 0; | |
793 | } | |
08d4df41 RM |
794 | static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) |
795 | { | |
796 | } | |
ac46ba43 | 797 | static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) |
4df50ca8 RM |
798 | { |
799 | return 0; | |
800 | } | |
4daa7760 | 801 | #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ |
0fca65c1 | 802 | |
394cf0a1 S |
803 | /********************/ |
804 | /* LED Control */ | |
805 | /********************/ | |
f078f209 | 806 | |
08fc5c1b VN |
807 | #define ATH_LED_PIN_DEF 1 |
808 | #define ATH_LED_PIN_9287 8 | |
353e5019 | 809 | #define ATH_LED_PIN_9300 10 |
15178535 | 810 | #define ATH_LED_PIN_9485 6 |
1a68abb0 | 811 | #define ATH_LED_PIN_9462 4 |
f078f209 | 812 | |
0cf55c21 | 813 | #ifdef CONFIG_MAC80211_LEDS |
0fca65c1 S |
814 | void ath_init_leds(struct ath_softc *sc); |
815 | void ath_deinit_leds(struct ath_softc *sc); | |
0cf55c21 FF |
816 | #else |
817 | static inline void ath_init_leds(struct ath_softc *sc) | |
818 | { | |
819 | } | |
820 | ||
821 | static inline void ath_deinit_leds(struct ath_softc *sc) | |
8f176a3a RM |
822 | { |
823 | } | |
0cf55c21 FF |
824 | #endif |
825 | ||
e60001e7 SM |
826 | /************************/ |
827 | /* Wake on Wireless LAN */ | |
828 | /************************/ | |
829 | ||
830 | #ifdef CONFIG_ATH9K_WOW | |
babaa80a | 831 | void ath9k_init_wow(struct ieee80211_hw *hw); |
661d2581 | 832 | void ath9k_deinit_wow(struct ieee80211_hw *hw); |
e60001e7 SM |
833 | int ath9k_suspend(struct ieee80211_hw *hw, |
834 | struct cfg80211_wowlan *wowlan); | |
835 | int ath9k_resume(struct ieee80211_hw *hw); | |
836 | void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled); | |
837 | #else | |
babaa80a SM |
838 | static inline void ath9k_init_wow(struct ieee80211_hw *hw) |
839 | { | |
840 | } | |
661d2581 SM |
841 | static inline void ath9k_deinit_wow(struct ieee80211_hw *hw) |
842 | { | |
843 | } | |
e60001e7 SM |
844 | static inline int ath9k_suspend(struct ieee80211_hw *hw, |
845 | struct cfg80211_wowlan *wowlan) | |
846 | { | |
847 | return 0; | |
848 | } | |
849 | static inline int ath9k_resume(struct ieee80211_hw *hw) | |
850 | { | |
851 | return 0; | |
852 | } | |
853 | static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) | |
854 | { | |
855 | } | |
856 | #endif /* CONFIG_ATH9K_WOW */ | |
857 | ||
8da07830 | 858 | /*******************************/ |
102885a5 | 859 | /* Antenna diversity/combining */ |
8da07830 SM |
860 | /*******************************/ |
861 | ||
102885a5 VT |
862 | #define ATH_ANT_RX_CURRENT_SHIFT 4 |
863 | #define ATH_ANT_RX_MAIN_SHIFT 2 | |
864 | #define ATH_ANT_RX_MASK 0x3 | |
865 | ||
866 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 | |
867 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 | |
868 | #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 | |
869 | #define ATH_ANT_DIV_COMB_INIT_COUNT 95 | |
870 | #define ATH_ANT_DIV_COMB_MAX_COUNT 100 | |
871 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 | |
872 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 | |
3afa6b4f SM |
873 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50 |
874 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50 | |
102885a5 | 875 | |
102885a5 VT |
876 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 |
877 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 | |
878 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 | |
879 | ||
102885a5 VT |
880 | struct ath_ant_comb { |
881 | u16 count; | |
882 | u16 total_pkt_count; | |
883 | bool scan; | |
884 | bool scan_not_start; | |
885 | int main_total_rssi; | |
886 | int alt_total_rssi; | |
887 | int alt_recv_cnt; | |
888 | int main_recv_cnt; | |
889 | int rssi_lna1; | |
890 | int rssi_lna2; | |
891 | int rssi_add; | |
892 | int rssi_sub; | |
893 | int rssi_first; | |
894 | int rssi_second; | |
895 | int rssi_third; | |
3afa6b4f SM |
896 | int ant_ratio; |
897 | int ant_ratio2; | |
102885a5 VT |
898 | bool alt_good; |
899 | int quick_scan_cnt; | |
3fbaf4c5 | 900 | enum ath9k_ant_div_comb_lna_conf main_conf; |
102885a5 VT |
901 | enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; |
902 | enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; | |
102885a5 VT |
903 | bool first_ratio; |
904 | bool second_ratio; | |
905 | unsigned long scan_start_time; | |
3afa6b4f SM |
906 | |
907 | /* | |
908 | * Card-specific config values. | |
909 | */ | |
910 | int low_rssi_thresh; | |
911 | int fast_div_bias; | |
102885a5 VT |
912 | }; |
913 | ||
8da07830 | 914 | void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); |
8da07830 | 915 | |
394cf0a1 S |
916 | /********************/ |
917 | /* Main driver core */ | |
918 | /********************/ | |
f078f209 | 919 | |
2d22c7dd SM |
920 | #define ATH9K_PCI_CUS198 0x0001 |
921 | #define ATH9K_PCI_CUS230 0x0002 | |
922 | #define ATH9K_PCI_CUS217 0x0004 | |
923 | #define ATH9K_PCI_CUS252 0x0008 | |
924 | #define ATH9K_PCI_WOW 0x0010 | |
925 | #define ATH9K_PCI_BT_ANT_DIV 0x0020 | |
926 | #define ATH9K_PCI_D3_L1_WAR 0x0040 | |
927 | #define ATH9K_PCI_AR9565_1ANT 0x0080 | |
928 | #define ATH9K_PCI_AR9565_2ANT 0x0100 | |
929 | #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200 | |
4dd35640 | 930 | #define ATH9K_PCI_KILLER 0x0400 |
aeeb2065 | 931 | #define ATH9K_PCI_LED_ACT_HI 0x0800 |
9b60b64b | 932 | |
394cf0a1 S |
933 | /* |
934 | * Default cache line size, in bytes. | |
935 | * Used when PCI device not fully initialized by bootrom/BIOS | |
936 | */ | |
937 | #define DEFAULT_CACHELINE 32 | |
394cf0a1 | 938 | #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ |
394cf0a1 | 939 | #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ |
071aa9a8 | 940 | #define MAX_GTT_CNT 5 |
394cf0a1 | 941 | |
1b04b930 S |
942 | /* Powersave flags */ |
943 | #define PS_WAIT_FOR_BEACON BIT(0) | |
944 | #define PS_WAIT_FOR_CAB BIT(1) | |
945 | #define PS_WAIT_FOR_PSPOLL_DATA BIT(2) | |
946 | #define PS_WAIT_FOR_TX_ACK BIT(3) | |
947 | #define PS_BEACON_SYNC BIT(4) | |
424749c7 | 948 | #define PS_WAIT_FOR_ANI BIT(5) |
394cf0a1 | 949 | |
fbbcd146 FF |
950 | #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */ |
951 | ||
394cf0a1 S |
952 | struct ath_softc { |
953 | struct ieee80211_hw *hw; | |
954 | struct device *dev; | |
c52f33d0 | 955 | |
3430098a FF |
956 | struct survey_info *cur_survey; |
957 | struct survey_info survey[ATH9K_NUM_CHANNELS]; | |
0e2dedf9 | 958 | |
394cf0a1 S |
959 | struct tasklet_struct intr_tq; |
960 | struct tasklet_struct bcon_tasklet; | |
cbe61d8a | 961 | struct ath_hw *sc_ah; |
394cf0a1 S |
962 | void __iomem *mem; |
963 | int irq; | |
2d6a5e95 | 964 | spinlock_t sc_serial_rw; |
04717ccd | 965 | spinlock_t sc_pm_lock; |
4bdd1e97 | 966 | spinlock_t sc_pcu_lock; |
394cf0a1 | 967 | struct mutex mutex; |
9f42c2b6 | 968 | struct work_struct paprd_work; |
236de514 | 969 | struct work_struct hw_reset_work; |
9f42c2b6 | 970 | struct completion paprd_complete; |
10e23181 | 971 | wait_queue_head_t tx_wait; |
394cf0a1 | 972 | |
c7dd40c9 | 973 | #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT |
fb02e95c | 974 | struct work_struct chanctx_work; |
d463af4a FF |
975 | struct ath_gen_timer *p2p_ps_timer; |
976 | struct ath_vif *p2p_ps_vif; | |
70b06dac | 977 | struct ath_chanctx_sched sched; |
77843167 | 978 | struct ath_offchannel offchannel; |
fb02e95c | 979 | struct ath_chanctx *next_chan; |
c6500ea2 | 980 | struct completion go_beacon; |
02edab5b | 981 | struct timespec last_event_time; |
c7dd40c9 | 982 | #endif |
d463af4a | 983 | |
9b60b64b | 984 | unsigned long driver_data; |
cb8d61de | 985 | |
071aa9a8 | 986 | u8 gtt_cnt; |
17d7904d | 987 | u32 intrstatus; |
1b04b930 | 988 | u16 ps_flags; /* PS_* */ |
96148326 | 989 | bool ps_enabled; |
1dbfd9d4 | 990 | bool ps_idle; |
4801416c | 991 | short nbcnvifs; |
709ade9e | 992 | unsigned long ps_usecount; |
394cf0a1 | 993 | |
394cf0a1 S |
994 | struct ath_rx rx; |
995 | struct ath_tx tx; | |
996 | struct ath_beacon beacon; | |
394cf0a1 | 997 | |
bff11766 | 998 | struct cfg80211_chan_def cur_chandef; |
fbbcd146 FF |
999 | struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX]; |
1000 | struct ath_chanctx *cur_chan; | |
bff11766 | 1001 | spinlock_t chan_lock; |
fbbcd146 | 1002 | |
0cf55c21 FF |
1003 | #ifdef CONFIG_MAC80211_LEDS |
1004 | bool led_registered; | |
1005 | char led_name[32]; | |
1006 | struct led_classdev led_cdev; | |
1007 | #endif | |
394cf0a1 | 1008 | |
a830df07 | 1009 | #ifdef CONFIG_ATH9K_DEBUGFS |
17d7904d | 1010 | struct ath9k_debug debug; |
394cf0a1 | 1011 | #endif |
164ace38 | 1012 | struct delayed_work tx_complete_work; |
181fb18d | 1013 | struct delayed_work hw_pll_work; |
bf3dac5a | 1014 | struct timer_list sleep_timer; |
4daa7760 SM |
1015 | |
1016 | #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT | |
2e20250a | 1017 | struct ath_btcoex btcoex; |
9e25365f | 1018 | struct ath_mci_coex mci_coex; |
3c7992e3 | 1019 | struct work_struct mci_work; |
4daa7760 | 1020 | #endif |
5088c2f1 VT |
1021 | |
1022 | struct ath_descdma txsdma; | |
102885a5 VT |
1023 | |
1024 | struct ath_ant_comb ant_comb; | |
43c35284 | 1025 | u8 ant_tx, ant_rx; |
8e92d3f2 | 1026 | struct dfs_pattern_detector *dfs_detector; |
3f3c09f3 | 1027 | u64 dfs_prev_pulse_ts; |
b11e640a | 1028 | u32 wow_enabled; |
21af25d0 | 1029 | |
911ea79f | 1030 | struct ath_spec_scan_priv spec_priv; |
01c78533 | 1031 | |
89f927af LR |
1032 | struct ieee80211_vif *tx99_vif; |
1033 | struct sk_buff *tx99_skb; | |
1034 | bool tx99_state; | |
1035 | s16 tx99_power; | |
1036 | ||
e60001e7 | 1037 | #ifdef CONFIG_ATH9K_WOW |
01c78533 | 1038 | u32 wow_intr_before_sleep; |
8b861715 | 1039 | bool force_wow; |
01c78533 | 1040 | #endif |
ed14dc0a MP |
1041 | |
1042 | #ifdef CONFIG_ATH9K_HWRNG | |
1043 | u32 rng_last; | |
1044 | struct task_struct *rng_task; | |
1045 | #endif | |
394cf0a1 S |
1046 | }; |
1047 | ||
ef6b19e4 SM |
1048 | /********/ |
1049 | /* TX99 */ | |
1050 | /********/ | |
1051 | ||
1052 | #ifdef CONFIG_ATH9K_TX99 | |
1053 | void ath9k_tx99_init_debug(struct ath_softc *sc); | |
89f927af LR |
1054 | int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, |
1055 | struct ath_tx_control *txctl); | |
ef6b19e4 SM |
1056 | #else |
1057 | static inline void ath9k_tx99_init_debug(struct ath_softc *sc) | |
1058 | { | |
1059 | } | |
1060 | static inline int ath9k_tx99_send(struct ath_softc *sc, | |
1061 | struct sk_buff *skb, | |
1062 | struct ath_tx_control *txctl) | |
1063 | { | |
1064 | return 0; | |
1065 | } | |
1066 | #endif /* CONFIG_ATH9K_TX99 */ | |
89f927af | 1067 | |
ed14dc0a MP |
1068 | /***************************/ |
1069 | /* Random Number Generator */ | |
1070 | /***************************/ | |
1071 | #ifdef CONFIG_ATH9K_HWRNG | |
1072 | void ath9k_rng_start(struct ath_softc *sc); | |
1073 | void ath9k_rng_stop(struct ath_softc *sc); | |
1074 | #else | |
1075 | static inline void ath9k_rng_start(struct ath_softc *sc) | |
1076 | { | |
1077 | } | |
1078 | ||
1079 | static inline void ath9k_rng_stop(struct ath_softc *sc) | |
1080 | { | |
1081 | } | |
1082 | #endif | |
1083 | ||
5bb12791 | 1084 | static inline void ath_read_cachesize(struct ath_common *common, int *csz) |
394cf0a1 | 1085 | { |
5bb12791 | 1086 | common->bus_ops->read_cachesize(common, csz); |
394cf0a1 S |
1087 | } |
1088 | ||
7b6ef998 SM |
1089 | void ath9k_tasklet(unsigned long data); |
1090 | int ath_cabq_update(struct ath_softc *); | |
313eb87f | 1091 | u8 ath9k_parse_mpdudensity(u8 mpdudensity); |
394cf0a1 | 1092 | irqreturn_t ath_isr(int irq, void *dev); |
5555c955 | 1093 | int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan); |
e60001e7 SM |
1094 | void ath_cancel_work(struct ath_softc *sc); |
1095 | void ath_restart_work(struct ath_softc *sc); | |
eb93e891 | 1096 | int ath9k_init_device(u16 devid, struct ath_softc *sc, |
5bb12791 | 1097 | const struct ath_bus_ops *bus_ops); |
285f2dda | 1098 | void ath9k_deinit_device(struct ath_softc *sc); |
43c35284 | 1099 | void ath9k_reload_chainmask_settings(struct ath_softc *sc); |
7b6ef998 SM |
1100 | u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); |
1101 | void ath_start_rfkill_poll(struct ath_softc *sc); | |
1102 | void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); | |
1103 | void ath9k_ps_wakeup(struct ath_softc *sc); | |
1104 | void ath9k_ps_restore(struct ath_softc *sc); | |
68a89116 | 1105 | |
8e26a030 | 1106 | #ifdef CONFIG_ATH9K_PCI |
394cf0a1 S |
1107 | int ath_pci_init(void); |
1108 | void ath_pci_exit(void); | |
1109 | #else | |
1110 | static inline int ath_pci_init(void) { return 0; }; | |
1111 | static inline void ath_pci_exit(void) {}; | |
f1dc5600 | 1112 | #endif |
f1dc5600 | 1113 | |
8e26a030 | 1114 | #ifdef CONFIG_ATH9K_AHB |
394cf0a1 S |
1115 | int ath_ahb_init(void); |
1116 | void ath_ahb_exit(void); | |
1117 | #else | |
1118 | static inline int ath_ahb_init(void) { return 0; }; | |
1119 | static inline void ath_ahb_exit(void) {}; | |
f078f209 | 1120 | #endif |
394cf0a1 | 1121 | |
394cf0a1 | 1122 | #endif /* ATH9K_H */ |