Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec...
[deliverable/linux.git] / drivers / net / wireless / ath / ath10k / core.h
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1/*
2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef _CORE_H_
19#define _CORE_H_
20
21#include <linux/completion.h>
22#include <linux/if_ether.h>
23#include <linux/types.h>
24#include <linux/pci.h>
25
edb8236d 26#include "htt.h"
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27#include "htc.h"
28#include "hw.h"
29#include "targaddrs.h"
30#include "wmi.h"
31#include "../ath.h"
32#include "../regd.h"
9702c686 33#include "../dfs_pattern_detector.h"
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34
35#define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
36#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
37#define WO(_f) ((_f##_OFFSET) >> 2)
38
39#define ATH10K_SCAN_ID 0
40#define WMI_READY_TIMEOUT (5 * HZ)
41#define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
2e1dea40 42#define ATH10K_NUM_CHANS 38
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43
44/* Antenna noise floor */
45#define ATH10K_DEFAULT_NOISE_FLOOR -95
46
71098615 47#define ATH10K_MAX_NUM_MGMT_PENDING 128
5e00d31a 48
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49/* number of failed packets */
50#define ATH10K_KICKOUT_THRESHOLD 50
51
52/*
53 * Use insanely high numbers to make sure that the firmware implementation
54 * won't start, we have the same functionality already in hostapd. Unit
55 * is seconds.
56 */
57#define ATH10K_KEEPALIVE_MIN_IDLE 3747
58#define ATH10K_KEEPALIVE_MAX_IDLE 3895
59#define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
60
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61struct ath10k;
62
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63struct ath10k_skb_cb {
64 dma_addr_t paddr;
5e00d31a 65 u8 vdev_id;
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66
67 struct {
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68 u8 tid;
69 bool is_offchan;
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70 struct ath10k_htt_txbuf *txbuf;
71 u32 txbuf_paddr;
5e3dd157 72 } __packed htt;
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73
74 struct {
75 bool dtim_zero;
76 bool deliver_cab;
77 } bcn;
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78} __packed;
79
80static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
81{
82 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
83 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
84 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
85}
86
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87static inline u32 host_interest_item_address(u32 item_offset)
88{
89 return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
90}
91
92struct ath10k_bmi {
93 bool done_sent;
94};
95
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96#define ATH10K_MAX_MEM_REQS 16
97
98struct ath10k_mem_chunk {
99 void *vaddr;
100 dma_addr_t paddr;
101 u32 len;
102 u32 req_id;
103};
104
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105struct ath10k_wmi {
106 enum ath10k_htc_ep_id eid;
107 struct completion service_ready;
108 struct completion unified_ready;
be8b3943 109 wait_queue_head_t tx_credits_wq;
ce42870e 110 struct wmi_cmd_map *cmd;
6d1506e7 111 struct wmi_vdev_param_map *vdev_param;
226a339b 112 struct wmi_pdev_param_map *pdev_param;
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113
114 u32 num_mem_chunks;
115 struct ath10k_mem_chunk mem_chunks[ATH10K_MAX_MEM_REQS];
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116};
117
118struct ath10k_peer_stat {
119 u8 peer_macaddr[ETH_ALEN];
120 u32 peer_rssi;
121 u32 peer_tx_rate;
23c3aae4 122 u32 peer_rx_rate; /* 10x only */
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123};
124
125struct ath10k_target_stats {
126 /* PDEV stats */
127 s32 ch_noise_floor;
128 u32 tx_frame_count;
129 u32 rx_frame_count;
130 u32 rx_clear_count;
131 u32 cycle_count;
132 u32 phy_err_count;
133 u32 chan_tx_power;
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134 u32 ack_rx_bad;
135 u32 rts_bad;
136 u32 rts_good;
137 u32 fcs_bad;
138 u32 no_beacons;
139 u32 mib_int_count;
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140
141 /* PDEV TX stats */
142 s32 comp_queued;
143 s32 comp_delivered;
144 s32 msdu_enqued;
145 s32 mpdu_enqued;
146 s32 wmm_drop;
147 s32 local_enqued;
148 s32 local_freed;
149 s32 hw_queued;
150 s32 hw_reaped;
151 s32 underrun;
152 s32 tx_abort;
153 s32 mpdus_requed;
154 u32 tx_ko;
155 u32 data_rc;
156 u32 self_triggers;
157 u32 sw_retry_failure;
158 u32 illgl_rate_phy_err;
159 u32 pdev_cont_xretry;
160 u32 pdev_tx_timeout;
161 u32 pdev_resets;
162 u32 phy_underrun;
163 u32 txop_ovf;
164
165 /* PDEV RX stats */
166 s32 mid_ppdu_route_change;
167 s32 status_rcvd;
168 s32 r0_frags;
169 s32 r1_frags;
170 s32 r2_frags;
171 s32 r3_frags;
172 s32 htt_msdus;
173 s32 htt_mpdus;
174 s32 loc_msdus;
175 s32 loc_mpdus;
176 s32 oversize_amsdu;
177 s32 phy_errs;
178 s32 phy_err_drop;
179 s32 mpdu_errs;
180
181 /* VDEV STATS */
182
183 /* PEER STATS */
184 u8 peers;
185 struct ath10k_peer_stat peer_stat[TARGET_NUM_PEERS];
186
187 /* TODO: Beacon filter stats */
188
189};
190
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191struct ath10k_dfs_stats {
192 u32 phy_errors;
193 u32 pulses_total;
194 u32 pulses_detected;
195 u32 pulses_discarded;
196 u32 radar_detected;
197};
198
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199#define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
200
201struct ath10k_peer {
202 struct list_head list;
203 int vdev_id;
204 u8 addr[ETH_ALEN];
205 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
206 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
207};
208
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209struct ath10k_sta {
210 struct ath10k_vif *arvif;
211
212 /* the following are protected by ar->data_lock */
213 u32 changed; /* IEEE80211_RC_* */
214 u32 bw;
215 u32 nss;
216 u32 smps;
217
218 struct work_struct update_wk;
219};
220
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221#define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
222
223struct ath10k_vif {
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224 struct list_head list;
225
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226 u32 vdev_id;
227 enum wmi_vdev_type vdev_type;
228 enum wmi_vdev_subtype vdev_subtype;
229 u32 beacon_interval;
230 u32 dtim_period;
ed54388a 231 struct sk_buff *beacon;
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232 /* protected by data_lock */
233 bool beacon_sent;
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234
235 struct ath10k *ar;
236 struct ieee80211_vif *vif;
237
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238 bool is_started;
239 bool is_up;
240 u32 aid;
241 u8 bssid[ETH_ALEN];
242
cc4827b9 243 struct work_struct wep_key_work;
5e3dd157 244 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
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245 u8 def_wep_key_idx;
246 u8 def_wep_key_newidx;
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247
248 u16 tx_seq_no;
249
250 union {
251 struct {
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252 u32 uapsd;
253 } sta;
254 struct {
255 /* 127 stations; wmi limit */
256 u8 tim_bitmap[16];
257 u8 tim_len;
258 u32 ssid_len;
259 u8 ssid[IEEE80211_MAX_SSID_LEN];
260 bool hidden_ssid;
261 /* P2P_IE with NoA attribute for P2P_GO case */
262 u32 noa_len;
263 u8 *noa_data;
264 } ap;
5e3dd157 265 } u;
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266
267 u8 fixed_rate;
268 u8 fixed_nss;
9f81f725 269 u8 force_sgi;
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270 bool use_cts_prot;
271 int num_legacy_stations;
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272};
273
274struct ath10k_vif_iter {
275 u32 vdev_id;
276 struct ath10k_vif *arvif;
277};
278
279struct ath10k_debug {
280 struct dentry *debugfs_phy;
281
282 struct ath10k_target_stats target_stats;
283 u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE];
284
285 struct completion event_stats_compl;
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286
287 unsigned long htt_stats_mask;
288 struct delayed_work htt_stats_dwork;
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289 struct ath10k_dfs_stats dfs_stats;
290 struct ath_dfs_pool_stats dfs_pool_stats;
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291
292 u32 fw_dbglog_mask;
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293};
294
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295enum ath10k_state {
296 ATH10K_STATE_OFF = 0,
297 ATH10K_STATE_ON,
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298
299 /* When doing firmware recovery the device is first powered down.
300 * mac80211 is supposed to call in to start() hook later on. It is
301 * however possible that driver unloading and firmware crash overlap.
302 * mac80211 can wait on conf_mutex in stop() while the device is
303 * stopped in ath10k_core_restart() work holding conf_mutex. The state
304 * RESTARTED means that the device is up and mac80211 has started hw
305 * reconfiguration. Once mac80211 is done with the reconfiguration we
306 * set the state to STATE_ON in restart_complete(). */
307 ATH10K_STATE_RESTARTING,
308 ATH10K_STATE_RESTARTED,
309
310 /* The device has crashed while restarting hw. This state is like ON
311 * but commands are blocked in HTC and -ECOMM response is given. This
312 * prevents completion timeouts and makes the driver more responsive to
313 * userspace commands. This is also prevents recursive recovery. */
314 ATH10K_STATE_WEDGED,
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315};
316
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317enum ath10k_fw_features {
318 /* wmi_mgmt_rx_hdr contains extra RSSI information */
319 ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
320
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321 /* firmware from 10X branch */
322 ATH10K_FW_FEATURE_WMI_10X = 1,
323
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324 /* firmware support tx frame management over WMI, otherwise it's HTT */
325 ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
326
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327 /* Firmware does not support P2P */
328 ATH10K_FW_FEATURE_NO_P2P = 3,
329
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330 /* keep last */
331 ATH10K_FW_FEATURE_COUNT,
332};
333
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334enum ath10k_dev_flags {
335 /* Indicates that ath10k device is during CAC phase of DFS */
336 ATH10K_CAC_RUNNING,
650b91fb 337 ATH10K_FLAG_FIRST_BOOT_DONE,
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338};
339
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340struct ath10k {
341 struct ath_common ath_common;
342 struct ieee80211_hw *hw;
343 struct device *dev;
344 u8 mac_addr[ETH_ALEN];
345
e01ae68c 346 u32 chip_id;
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347 u32 target_version;
348 u8 fw_version_major;
349 u32 fw_version_minor;
350 u16 fw_version_release;
351 u16 fw_version_build;
352 u32 phy_capability;
353 u32 hw_min_tx_power;
354 u32 hw_max_tx_power;
355 u32 ht_cap_info;
356 u32 vht_cap_info;
8865bee4 357 u32 num_rf_chains;
5e3dd157 358
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359 DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
360
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361 struct targetdef *targetdef;
362 struct hostdef *hostdef;
363
364 bool p2p;
365
366 struct {
367 void *priv;
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368 const struct ath10k_hif_ops *ops;
369 } hif;
370
9042e17d 371 struct completion target_suspend;
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372
373 struct ath10k_bmi bmi;
edb8236d 374 struct ath10k_wmi wmi;
cd003fad 375 struct ath10k_htc htc;
edb8236d 376 struct ath10k_htt htt;
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377
378 struct ath10k_hw_params {
379 u32 id;
380 const char *name;
381 u32 patch_load_addr;
382
383 struct ath10k_hw_params_fw {
384 const char *dir;
385 const char *fw;
386 const char *otp;
387 const char *board;
388 } fw;
389 } hw_params;
390
36527916 391 const struct firmware *board;
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392 const void *board_data;
393 size_t board_len;
394
29385057 395 const struct firmware *otp;
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396 const void *otp_data;
397 size_t otp_len;
398
29385057 399 const struct firmware *firmware;
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400 const void *firmware_data;
401 size_t firmware_len;
29385057 402
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403 int fw_api;
404
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405 struct {
406 struct completion started;
407 struct completion completed;
408 struct completion on_channel;
409 struct timer_list timeout;
410 bool is_roc;
411 bool in_progress;
412 bool aborting;
413 int vdev_id;
414 int roc_freq;
415 } scan;
416
417 struct {
418 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
419 } mac;
420
421 /* should never be NULL; needed for regular htt rx */
422 struct ieee80211_channel *rx_channel;
423
424 /* valid during scan; needed for mgmt rx during scan */
425 struct ieee80211_channel *scan_channel;
426
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427 /* current operating channel definition */
428 struct cfg80211_chan_def chandef;
429
5e3dd157 430 int free_vdev_map;
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431 bool promisc;
432 bool monitor;
5e3dd157 433 int monitor_vdev_id;
1bbc0975 434 bool monitor_started;
5e3dd157 435 unsigned int filter_flags;
e8a50f8b 436 unsigned long dev_flags;
7d9b40b4 437 u32 dfs_block_radar_events;
5e3dd157 438
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439 /* protected by conf_mutex */
440 bool radar_enabled;
441 int num_started_vdevs;
442
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443 struct wmi_pdev_set_wmm_params_arg wmm_params;
444 struct completion install_key_done;
445
446 struct completion vdev_setup_done;
447
448 struct workqueue_struct *workqueue;
449
450 /* prevents concurrent FW reconfiguration */
451 struct mutex conf_mutex;
452
453 /* protects shared structure data */
454 spinlock_t data_lock;
455
0579119f 456 struct list_head arvifs;
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457 struct list_head peers;
458 wait_queue_head_t peer_mapping_wq;
459
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460 /* number of created peers; protected by data_lock */
461 int num_peers;
462
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463 struct work_struct offchan_tx_work;
464 struct sk_buff_head offchan_tx_queue;
465 struct completion offchan_tx_completed;
466 struct sk_buff *offchan_tx_skb;
467
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468 struct work_struct wmi_mgmt_tx_work;
469 struct sk_buff_head wmi_mgmt_tx_queue;
470
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471 enum ath10k_state state;
472
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473 struct work_struct restart_work;
474
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475 /* cycle count is reported twice for each visited channel during scan.
476 * access protected by data_lock */
477 u32 survey_last_rx_clear_count;
478 u32 survey_last_cycle_count;
479 struct survey_info survey[ATH10K_NUM_CHANS];
480
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481 struct dfs_pattern_detector *dfs_detector;
482
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483#ifdef CONFIG_ATH10K_DEBUGFS
484 struct ath10k_debug debug;
485#endif
486};
487
488struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev,
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489 const struct ath10k_hif_ops *hif_ops);
490void ath10k_core_destroy(struct ath10k *ar);
491
dd30a36e 492int ath10k_core_start(struct ath10k *ar);
00f5482b 493int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
dd30a36e 494void ath10k_core_stop(struct ath10k *ar);
e01ae68c 495int ath10k_core_register(struct ath10k *ar, u32 chip_id);
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496void ath10k_core_unregister(struct ath10k *ar);
497
5e3dd157 498#endif /* _CORE_H_ */
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