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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 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <linuxwifi@intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
62
63#ifndef __iwl_agn_h__
64#define __iwl_agn_h__
65
66#include "iwl-config.h"
67
68#include "dev.h"
69
70/* The first 11 queues (0-10) are used otherwise */
71#define IWLAGN_FIRST_AMPDU_QUEUE 11
72
73/* AUX (TX during scan dwell) queue */
74#define IWL_AUX_QUEUE 10
75
76#define IWL_INVALID_STATION 255
77
78/* device operations */
79extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
80extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
81extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
82extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
83extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
84extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
85extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
86extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
87extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
88extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
89
90
91#define TIME_UNIT 1024
92
93/*****************************************************
94* DRIVER STATUS FUNCTIONS
95******************************************************/
96#define STATUS_RF_KILL_HW 0
97#define STATUS_CT_KILL 1
98#define STATUS_ALIVE 2
99#define STATUS_READY 3
100#define STATUS_EXIT_PENDING 5
101#define STATUS_STATISTICS 6
102#define STATUS_SCANNING 7
103#define STATUS_SCAN_ABORTING 8
104#define STATUS_SCAN_HW 9
105#define STATUS_FW_ERROR 10
106#define STATUS_CHANNEL_SWITCH_PENDING 11
107#define STATUS_SCAN_COMPLETE 12
108#define STATUS_POWER_PMI 13
109
110struct iwl_ucode_capabilities;
111
112extern const struct ieee80211_ops iwlagn_hw_ops;
113
114static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
115{
116 hdr->op_code = cmd;
117 hdr->first_group = 0;
118 hdr->groups_num = 1;
119 hdr->data_valid = 1;
120}
121
122void iwl_down(struct iwl_priv *priv);
123void iwl_cancel_deferred_work(struct iwl_priv *priv);
124void iwlagn_prepare_restart(struct iwl_priv *priv);
125void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
126 struct iwl_rx_cmd_buffer *rxb);
127
128bool iwl_check_for_ct_kill(struct iwl_priv *priv);
129
130void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
131
132/* MAC80211 */
133struct ieee80211_hw *iwl_alloc_all(void);
134int iwlagn_mac_setup_register(struct iwl_priv *priv,
135 const struct iwl_ucode_capabilities *capa);
136void iwlagn_mac_unregister(struct iwl_priv *priv);
137
138/* commands */
139int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
140int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
141 u32 flags, u16 len, const void *data);
142
143/* RXON */
144void iwl_connection_init_rx_config(struct iwl_priv *priv,
145 struct iwl_rxon_context *ctx);
146int iwlagn_set_pan_params(struct iwl_priv *priv);
147int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
148void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
149int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
150void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
151 struct ieee80211_vif *vif,
152 struct ieee80211_bss_conf *bss_conf,
153 u32 changes);
154void iwlagn_config_ht40(struct ieee80211_conf *conf,
155 struct iwl_rxon_context *ctx);
156void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
157void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
158 struct iwl_rxon_context *ctx);
159void iwl_set_flags_for_band(struct iwl_priv *priv,
160 struct iwl_rxon_context *ctx,
161 enum nl80211_band band,
162 struct ieee80211_vif *vif);
163
164/* uCode */
165int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
166void iwl_send_prio_tbl(struct iwl_priv *priv);
167int iwl_init_alive_start(struct iwl_priv *priv);
168int iwl_run_init_ucode(struct iwl_priv *priv);
169int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
170 enum iwl_ucode_type ucode_type);
171int iwl_send_calib_results(struct iwl_priv *priv);
172int iwl_calib_set(struct iwl_priv *priv,
173 const struct iwl_calib_hdr *cmd, int len);
174void iwl_calib_free_results(struct iwl_priv *priv);
175int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
176 char **buf);
177int iwlagn_hw_valid_rtc_data_addr(u32 addr);
178
179/* lib */
180int iwlagn_send_tx_power(struct iwl_priv *priv);
181void iwlagn_temperature(struct iwl_priv *priv);
182int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
183void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
184int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
185int iwl_send_statistics_request(struct iwl_priv *priv,
186 u8 flags, bool clear);
187
188static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
189 struct iwl_priv *priv, enum nl80211_band band)
190{
191 return priv->hw->wiphy->bands[band];
192}
193
194#ifdef CONFIG_PM_SLEEP
195int iwlagn_send_patterns(struct iwl_priv *priv,
196 struct cfg80211_wowlan *wowlan);
197int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
198#endif
199
200/* rx */
201int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);
202void iwl_setup_rx_handlers(struct iwl_priv *priv);
203void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
204
205
206/* tx */
207int iwlagn_tx_skb(struct iwl_priv *priv,
208 struct ieee80211_sta *sta,
209 struct sk_buff *skb);
210int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
211 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
212int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
213 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
214int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
215 struct ieee80211_sta *sta, u16 tid);
216int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
217 struct ieee80211_sta *sta, u16 tid);
218void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
219 struct iwl_rx_cmd_buffer *rxb);
220void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
221
222static inline u32 iwl_tx_status_to_mac80211(u32 status)
223{
224 status &= TX_STATUS_MSK;
225
226 switch (status) {
227 case TX_STATUS_SUCCESS:
228 case TX_STATUS_DIRECT_DONE:
229 return IEEE80211_TX_STAT_ACK;
230 case TX_STATUS_FAIL_DEST_PS:
231 case TX_STATUS_FAIL_PASSIVE_NO_RX:
232 return IEEE80211_TX_STAT_TX_FILTERED;
233 default:
234 return 0;
235 }
236}
237
238static inline bool iwl_is_tx_success(u32 status)
239{
240 status &= TX_STATUS_MSK;
241 return (status == TX_STATUS_SUCCESS) ||
242 (status == TX_STATUS_DIRECT_DONE);
243}
244
245u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
246
247/* scan */
248void iwlagn_post_scan(struct iwl_priv *priv);
249int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
250void iwl_init_scan_params(struct iwl_priv *priv);
251int iwl_scan_cancel(struct iwl_priv *priv);
252void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
253void iwl_force_scan_end(struct iwl_priv *priv);
254void iwl_internal_short_hw_scan(struct iwl_priv *priv);
255void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
256void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
257void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
258int __must_check iwl_scan_initiate(struct iwl_priv *priv,
259 struct ieee80211_vif *vif,
260 enum iwl_scan_type scan_type,
261 enum nl80211_band band);
262
263/* For faster active scanning, scan will move to the next channel if fewer than
264 * PLCP_QUIET_THRESH packets are heard on this channel within
265 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
266 * time if it's a quiet channel (nothing responded to our probe, and there's
267 * no other traffic).
268 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
269#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
270#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
271
272#define IWL_SCAN_CHECK_WATCHDOG (HZ * 15)
273
274
275/* bt coex */
276void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
277void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
278void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
279void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
280void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
281void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
282
283static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
284{
285 return priv->lib->bt_params &&
286 priv->lib->bt_params->advanced_bt_coexist;
287}
288
289#ifdef CONFIG_IWLWIFI_DEBUG
290const char *iwl_get_tx_fail_reason(u32 status);
291const char *iwl_get_agg_tx_fail_reason(u16 status);
292#else
293static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
294static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
295#endif
296
297
298/* station management */
299int iwlagn_manage_ibss_station(struct iwl_priv *priv,
300 struct ieee80211_vif *vif, bool add);
301#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
302#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
303#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
304 being activated */
305#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
306 (this is for the IBSS BSSID stations) */
307#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
308
309
310void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
311void iwl_clear_ucode_stations(struct iwl_priv *priv,
312 struct iwl_rxon_context *ctx);
313void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
314int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
315int iwl_send_add_sta(struct iwl_priv *priv,
316 struct iwl_addsta_cmd *sta, u8 flags);
317int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
318 const u8 *addr, bool is_ap,
319 struct ieee80211_sta *sta, u8 *sta_id_r);
320int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
321 const u8 *addr);
322void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
323 const u8 *addr);
324u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
325 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
326
327int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
328 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
329void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
330int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
331 struct ieee80211_sta *sta);
332
333bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
334 struct iwl_rxon_context *ctx,
335 struct ieee80211_sta *sta);
336
337static inline int iwl_sta_id(struct ieee80211_sta *sta)
338{
339 if (WARN_ON(!sta))
340 return IWL_INVALID_STATION;
341
342 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
343}
344
345int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
346 struct iwl_rxon_context *ctx);
347int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
348 const u8 *addr, u8 *sta_id_r);
349int iwl_remove_default_wep_key(struct iwl_priv *priv,
350 struct iwl_rxon_context *ctx,
351 struct ieee80211_key_conf *key);
352int iwl_set_default_wep_key(struct iwl_priv *priv,
353 struct iwl_rxon_context *ctx,
354 struct ieee80211_key_conf *key);
355int iwl_restore_default_wep_keys(struct iwl_priv *priv,
356 struct iwl_rxon_context *ctx);
357int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
358 struct ieee80211_key_conf *key,
359 struct ieee80211_sta *sta);
360int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
361 struct ieee80211_key_conf *key,
362 struct ieee80211_sta *sta);
363void iwl_update_tkip_key(struct iwl_priv *priv,
364 struct ieee80211_vif *vif,
365 struct ieee80211_key_conf *keyconf,
366 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
367int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
368int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
369 int tid, u16 ssn);
370int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
371 int tid);
372void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
373int iwl_update_bcast_station(struct iwl_priv *priv,
374 struct iwl_rxon_context *ctx);
375int iwl_update_bcast_stations(struct iwl_priv *priv);
376
377/* rate */
378static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
379{
380 return BIT(ant_idx) << RATE_MCS_ANT_POS;
381}
382
383static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
384{
385 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
386}
387
388static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
389{
390 return cpu_to_le32(flags|(u32)rate);
391}
392
393int iwl_alive_start(struct iwl_priv *priv);
394
395#ifdef CONFIG_IWLWIFI_DEBUG
396void iwl_print_rx_config_cmd(struct iwl_priv *priv,
397 enum iwl_rxon_context_id ctxid);
398#else
399static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
400 enum iwl_rxon_context_id ctxid)
401{
402}
403#endif
404
405/* status checks */
406
407static inline int iwl_is_ready(struct iwl_priv *priv)
408{
409 /* The adapter is 'ready' if READY EXIT_PENDING is not set */
410 return test_bit(STATUS_READY, &priv->status) &&
411 !test_bit(STATUS_EXIT_PENDING, &priv->status);
412}
413
414static inline int iwl_is_alive(struct iwl_priv *priv)
415{
416 return test_bit(STATUS_ALIVE, &priv->status);
417}
418
419static inline int iwl_is_rfkill(struct iwl_priv *priv)
420{
421 return test_bit(STATUS_RF_KILL_HW, &priv->status);
422}
423
424static inline int iwl_is_ctkill(struct iwl_priv *priv)
425{
426 return test_bit(STATUS_CT_KILL, &priv->status);
427}
428
429static inline int iwl_is_ready_rf(struct iwl_priv *priv)
430{
431 if (iwl_is_rfkill(priv))
432 return 0;
433
434 return iwl_is_ready(priv);
435}
436
437static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
438{
439 if (state)
440 set_bit(STATUS_POWER_PMI, &priv->status);
441 else
442 clear_bit(STATUS_POWER_PMI, &priv->status);
443 iwl_trans_set_pmi(priv->trans, state);
444}
445
446#ifdef CONFIG_IWLWIFI_DEBUGFS
447int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
448#else
449static inline int iwl_dbgfs_register(struct iwl_priv *priv,
450 struct dentry *dbgfs_dir)
451{
452 return 0;
453}
454#endif /* CONFIG_IWLWIFI_DEBUGFS */
455
456#ifdef CONFIG_IWLWIFI_DEBUG
457#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
458do { \
459 if (!iwl_is_rfkill((m))) \
460 IWL_ERR(m, fmt, ##args); \
461 else \
462 __iwl_err((m)->dev, true, \
463 !iwl_have_debug_level(IWL_DL_RADIO), \
464 fmt, ##args); \
465} while (0)
466#else
467#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
468do { \
469 if (!iwl_is_rfkill((m))) \
470 IWL_ERR(m, fmt, ##args); \
471 else \
472 __iwl_err((m)->dev, true, true, fmt, ##args); \
473} while (0)
474#endif /* CONFIG_IWLWIFI_DEBUG */
475
476#endif /* __iwl_agn_h__ */