1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * The full GNU General Public License is included in this distribution
20 * in the file called COPYING.
21 *
22 * Contact Information:
23 * Intel Linux Wireless <linuxwifi@intel.com>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *
26 * BSD LICENSE
27 *
28 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
29 * All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 *
35 * * Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * * Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in
39 * the documentation and/or other materials provided with the
40 * distribution.
41 * * Neither the name Intel Corporation nor the names of its
42 * contributors may be used to endorse or promote products derived
43 * from this software without specific prior written permission.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
49 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
50 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
51 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
55 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 *****************************************************************************/
57
58 #ifndef __iwl_agn_h__
59 #define __iwl_agn_h__
60
61 #include "iwl-config.h"
62
63 #include "dev.h"
64
65 /* The first 11 queues (0-10) are used otherwise */
66 #define IWLAGN_FIRST_AMPDU_QUEUE 11
67
68 /* AUX (TX during scan dwell) queue */
69 #define IWL_AUX_QUEUE 10
70
71 #define IWL_INVALID_STATION 255
72
73 /* device operations */
74 extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
75 extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
76 extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
77 extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
78 extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
79 extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
80 extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
81 extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
82 extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
83 extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
84
85
86 #define TIME_UNIT 1024
87
88 /*****************************************************
89 * DRIVER STATUS FUNCTIONS
90 ******************************************************/
91 #define STATUS_RF_KILL_HW 0
92 #define STATUS_CT_KILL 1
93 #define STATUS_ALIVE 2
94 #define STATUS_READY 3
95 #define STATUS_EXIT_PENDING 5
96 #define STATUS_STATISTICS 6
97 #define STATUS_SCANNING 7
98 #define STATUS_SCAN_ABORTING 8
99 #define STATUS_SCAN_HW 9
100 #define STATUS_FW_ERROR 10
101 #define STATUS_CHANNEL_SWITCH_PENDING 11
102 #define STATUS_SCAN_COMPLETE 12
103 #define STATUS_POWER_PMI 13
104
105 struct iwl_ucode_capabilities;
106
107 extern const struct ieee80211_ops iwlagn_hw_ops;
108
iwl_set_calib_hdr(struct iwl_calib_hdr * hdr,u8 cmd)109 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
110 {
111 hdr->op_code = cmd;
112 hdr->first_group = 0;
113 hdr->groups_num = 1;
114 hdr->data_valid = 1;
115 }
116
117 void iwl_down(struct iwl_priv *priv);
118 void iwl_cancel_deferred_work(struct iwl_priv *priv);
119 void iwlagn_prepare_restart(struct iwl_priv *priv);
120 void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
121 struct iwl_rx_cmd_buffer *rxb);
122
123 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
124
125 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
126
127 /* MAC80211 */
128 struct ieee80211_hw *iwl_alloc_all(void);
129 int iwlagn_mac_setup_register(struct iwl_priv *priv,
130 const struct iwl_ucode_capabilities *capa);
131 void iwlagn_mac_unregister(struct iwl_priv *priv);
132
133 /* commands */
134 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
135 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
136 u32 flags, u16 len, const void *data);
137
138 /* RXON */
139 void iwl_connection_init_rx_config(struct iwl_priv *priv,
140 struct iwl_rxon_context *ctx);
141 int iwlagn_set_pan_params(struct iwl_priv *priv);
142 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
143 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
144 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
145 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
146 struct ieee80211_vif *vif,
147 struct ieee80211_bss_conf *bss_conf,
148 u32 changes);
149 void iwlagn_config_ht40(struct ieee80211_conf *conf,
150 struct iwl_rxon_context *ctx);
151 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
152 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
153 struct iwl_rxon_context *ctx);
154 void iwl_set_flags_for_band(struct iwl_priv *priv,
155 struct iwl_rxon_context *ctx,
156 enum nl80211_band band,
157 struct ieee80211_vif *vif);
158
159 /* uCode */
160 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
161 void iwl_send_prio_tbl(struct iwl_priv *priv);
162 int iwl_init_alive_start(struct iwl_priv *priv);
163 int iwl_run_init_ucode(struct iwl_priv *priv);
164 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
165 enum iwl_ucode_type ucode_type);
166 int iwl_send_calib_results(struct iwl_priv *priv);
167 int iwl_calib_set(struct iwl_priv *priv,
168 const struct iwl_calib_hdr *cmd, int len);
169 void iwl_calib_free_results(struct iwl_priv *priv);
170 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
171 char **buf);
172 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
173
174 /* lib */
175 int iwlagn_send_tx_power(struct iwl_priv *priv);
176 void iwlagn_temperature(struct iwl_priv *priv);
177 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
178 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
179 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
180 int iwl_send_statistics_request(struct iwl_priv *priv,
181 u8 flags, bool clear);
182
iwl_get_hw_mode(struct iwl_priv * priv,enum nl80211_band band)183 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
184 struct iwl_priv *priv, enum nl80211_band band)
185 {
186 return priv->hw->wiphy->bands[band];
187 }
188
189 #ifdef CONFIG_PM_SLEEP
190 int iwlagn_send_patterns(struct iwl_priv *priv,
191 struct cfg80211_wowlan *wowlan);
192 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
193 #endif
194
195 /* rx */
196 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);
197 void iwl_setup_rx_handlers(struct iwl_priv *priv);
198 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
199
200
201 /* tx */
202 int iwlagn_tx_skb(struct iwl_priv *priv,
203 struct ieee80211_sta *sta,
204 struct sk_buff *skb);
205 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
206 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
207 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
208 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
209 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
210 struct ieee80211_sta *sta, u16 tid);
211 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
212 struct ieee80211_sta *sta, u16 tid);
213 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
214 struct iwl_rx_cmd_buffer *rxb);
215 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
216
iwl_tx_status_to_mac80211(u32 status)217 static inline u32 iwl_tx_status_to_mac80211(u32 status)
218 {
219 status &= TX_STATUS_MSK;
220
221 switch (status) {
222 case TX_STATUS_SUCCESS:
223 case TX_STATUS_DIRECT_DONE:
224 return IEEE80211_TX_STAT_ACK;
225 case TX_STATUS_FAIL_DEST_PS:
226 case TX_STATUS_FAIL_PASSIVE_NO_RX:
227 return IEEE80211_TX_STAT_TX_FILTERED;
228 default:
229 return 0;
230 }
231 }
232
iwl_is_tx_success(u32 status)233 static inline bool iwl_is_tx_success(u32 status)
234 {
235 status &= TX_STATUS_MSK;
236 return (status == TX_STATUS_SUCCESS) ||
237 (status == TX_STATUS_DIRECT_DONE);
238 }
239
240 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
241
242 /* scan */
243 void iwlagn_post_scan(struct iwl_priv *priv);
244 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
245 void iwl_init_scan_params(struct iwl_priv *priv);
246 int iwl_scan_cancel(struct iwl_priv *priv);
247 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
248 void iwl_force_scan_end(struct iwl_priv *priv);
249 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
250 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
251 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
252 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
253 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
254 struct ieee80211_vif *vif,
255 enum iwl_scan_type scan_type,
256 enum nl80211_band band);
257
258 /* For faster active scanning, scan will move to the next channel if fewer than
259 * PLCP_QUIET_THRESH packets are heard on this channel within
260 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
261 * time if it's a quiet channel (nothing responded to our probe, and there's
262 * no other traffic).
263 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
264 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
265 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
266
267 #define IWL_SCAN_CHECK_WATCHDOG (HZ * 15)
268
269
270 /* bt coex */
271 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
272 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
273 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
274 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
275 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
276 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
277
iwl_advanced_bt_coexist(struct iwl_priv * priv)278 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
279 {
280 return priv->lib->bt_params &&
281 priv->lib->bt_params->advanced_bt_coexist;
282 }
283
284 #ifdef CONFIG_IWLWIFI_DEBUG
285 const char *iwl_get_tx_fail_reason(u32 status);
286 const char *iwl_get_agg_tx_fail_reason(u16 status);
287 #else
iwl_get_tx_fail_reason(u32 status)288 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
iwl_get_agg_tx_fail_reason(u16 status)289 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
290 #endif
291
292
293 /* station management */
294 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
295 struct ieee80211_vif *vif, bool add);
296 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
297 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
298 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
299 being activated */
300 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
301 (this is for the IBSS BSSID stations) */
302 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
303
304
305 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
306 void iwl_clear_ucode_stations(struct iwl_priv *priv,
307 struct iwl_rxon_context *ctx);
308 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
309 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
310 int iwl_send_add_sta(struct iwl_priv *priv,
311 struct iwl_addsta_cmd *sta, u8 flags);
312 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
313 const u8 *addr, bool is_ap,
314 struct ieee80211_sta *sta, u8 *sta_id_r);
315 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
316 const u8 *addr);
317 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
318 const u8 *addr);
319 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
320 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
321
322 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
323 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
324 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
325 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
326 struct ieee80211_sta *sta);
327
328 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
329 struct iwl_rxon_context *ctx,
330 struct ieee80211_sta *sta);
331
iwl_sta_id(struct ieee80211_sta * sta)332 static inline int iwl_sta_id(struct ieee80211_sta *sta)
333 {
334 if (WARN_ON(!sta))
335 return IWL_INVALID_STATION;
336
337 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
338 }
339
340 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
341 struct iwl_rxon_context *ctx);
342 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
343 const u8 *addr, u8 *sta_id_r);
344 int iwl_remove_default_wep_key(struct iwl_priv *priv,
345 struct iwl_rxon_context *ctx,
346 struct ieee80211_key_conf *key);
347 int iwl_set_default_wep_key(struct iwl_priv *priv,
348 struct iwl_rxon_context *ctx,
349 struct ieee80211_key_conf *key);
350 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
351 struct iwl_rxon_context *ctx);
352 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
353 struct ieee80211_key_conf *key,
354 struct ieee80211_sta *sta);
355 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
356 struct ieee80211_key_conf *key,
357 struct ieee80211_sta *sta);
358 void iwl_update_tkip_key(struct iwl_priv *priv,
359 struct ieee80211_vif *vif,
360 struct ieee80211_key_conf *keyconf,
361 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
362 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
363 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
364 int tid, u16 ssn);
365 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
366 int tid);
367 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
368 int iwl_update_bcast_station(struct iwl_priv *priv,
369 struct iwl_rxon_context *ctx);
370 int iwl_update_bcast_stations(struct iwl_priv *priv);
371
372 /* rate */
iwl_ant_idx_to_flags(u8 ant_idx)373 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
374 {
375 return BIT(ant_idx) << RATE_MCS_ANT_POS;
376 }
377
iwl_hw_get_rate(__le32 rate_n_flags)378 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
379 {
380 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
381 }
382
iwl_hw_set_rate_n_flags(u8 rate,u32 flags)383 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
384 {
385 return cpu_to_le32(flags|(u32)rate);
386 }
387
388 int iwl_alive_start(struct iwl_priv *priv);
389
390 #ifdef CONFIG_IWLWIFI_DEBUG
391 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
392 enum iwl_rxon_context_id ctxid);
393 #else
iwl_print_rx_config_cmd(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)394 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
395 enum iwl_rxon_context_id ctxid)
396 {
397 }
398 #endif
399
400 /* status checks */
401
iwl_is_ready(struct iwl_priv * priv)402 static inline int iwl_is_ready(struct iwl_priv *priv)
403 {
404 /* The adapter is 'ready' if READY EXIT_PENDING is not set */
405 return test_bit(STATUS_READY, &priv->status) &&
406 !test_bit(STATUS_EXIT_PENDING, &priv->status);
407 }
408
iwl_is_alive(struct iwl_priv * priv)409 static inline int iwl_is_alive(struct iwl_priv *priv)
410 {
411 return test_bit(STATUS_ALIVE, &priv->status);
412 }
413
iwl_is_rfkill(struct iwl_priv * priv)414 static inline int iwl_is_rfkill(struct iwl_priv *priv)
415 {
416 return test_bit(STATUS_RF_KILL_HW, &priv->status);
417 }
418
iwl_is_ctkill(struct iwl_priv * priv)419 static inline int iwl_is_ctkill(struct iwl_priv *priv)
420 {
421 return test_bit(STATUS_CT_KILL, &priv->status);
422 }
423
iwl_is_ready_rf(struct iwl_priv * priv)424 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
425 {
426 if (iwl_is_rfkill(priv))
427 return 0;
428
429 return iwl_is_ready(priv);
430 }
431
iwl_dvm_set_pmi(struct iwl_priv * priv,bool state)432 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
433 {
434 if (state)
435 set_bit(STATUS_POWER_PMI, &priv->status);
436 else
437 clear_bit(STATUS_POWER_PMI, &priv->status);
438 iwl_trans_set_pmi(priv->trans, state);
439 }
440
441 #ifdef CONFIG_IWLWIFI_DEBUGFS
442 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
443 #else
iwl_dbgfs_register(struct iwl_priv * priv,struct dentry * dbgfs_dir)444 static inline void iwl_dbgfs_register(struct iwl_priv *priv,
445 struct dentry *dbgfs_dir) { }
446 #endif /* CONFIG_IWLWIFI_DEBUGFS */
447
448 #ifdef CONFIG_IWLWIFI_DEBUG
449 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
450 do { \
451 if (!iwl_is_rfkill((m))) \
452 IWL_ERR(m, fmt, ##args); \
453 else \
454 __iwl_err((m)->dev, true, \
455 !iwl_have_debug_level(IWL_DL_RADIO), \
456 fmt, ##args); \
457 } while (0)
458 #else
459 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
460 do { \
461 if (!iwl_is_rfkill((m))) \
462 IWL_ERR(m, fmt, ##args); \
463 else \
464 __iwl_err((m)->dev, true, true, fmt, ##args); \
465 } while (0)
466 #endif /* CONFIG_IWLWIFI_DEBUG */
467
468 #endif /* __iwl_agn_h__ */
469
