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iwlwifi: use sparse compliant __aligned__ attribute
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-agn.h
CommitLineData
a1175124
JB		 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 *
4e318262 8 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
a1175124
JB		 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 LICENSE.GPL.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
4e318262 33 * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
a1175124
JB		 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-dev.h"
67
4a986777 68struct iwl_ucode_capabilities;
7335613a 69
dc21b545
JB		 70extern struct ieee80211_ops iwlagn_hw_ops;
71
1f8bf039
WYG		 72static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
73{
74 hdr->op_code = cmd;
75 hdr->first_group = 0;
76 hdr->groups_num = 1;
77 hdr->data_valid = 1;
78}
79
7335613a 80void iwl_down(struct iwl_priv *priv);
78e5a464 81void iwl_cancel_deferred_work(struct iwl_priv *priv);
7335613a
WYG		 82void iwlagn_prepare_restart(struct iwl_priv *priv);
83
84/* MAC80211 */
85struct ieee80211_hw *iwl_alloc_all(void);
86int iwlagn_mac_setup_register(struct iwl_priv *priv,
4a986777 87 struct iwl_ucode_capabilities *capa);
09af1403 88void iwlagn_mac_unregister(struct iwl_priv *priv);
7335613a 89
7314c2b3 90/* RXON */
e505c433 91int iwlagn_set_pan_params(struct iwl_priv *priv);
7314c2b3 92int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
5de33068 93void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
2295c66b
JB		 94int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
95void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
96 struct ieee80211_vif *vif,
97 struct ieee80211_bss_conf *bss_conf,
98 u32 changes);
137ce797
WYG		 99void iwlagn_config_ht40(struct ieee80211_conf *conf,
100 struct iwl_rxon_context *ctx);
7314c2b3 101
741a6266 102/* uCode */
247c61d6
EG		 103int iwlagn_rx_calib_result(struct iwl_priv *priv,
104 struct iwl_rx_mem_buffer *rxb,
105 struct iwl_device_cmd *cmd);
edf38334 106void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags);
741a6266 107
e04ed0a5 108/* lib */
e04ed0a5
WYG		 109int iwlagn_send_tx_power(struct iwl_priv *priv);
110void iwlagn_temperature(struct iwl_priv *priv);
ab36eab2 111u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
716c74b0 112int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
65550636 113void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
e505c433 114int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
023ca58f
WYG		 115#ifdef CONFIG_PM_SLEEP
116int iwlagn_send_patterns(struct iwl_priv *priv,
117 struct cfg80211_wowlan *wowlan);
118int iwlagn_suspend(struct iwl_priv *priv,
119 struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
120#endif
74bcdb33 121
54b81550 122/* rx */
8d801080 123int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
466a19a0 124void iwl_setup_rx_handlers(struct iwl_priv *priv);
1ab9f6c1 125
54b81550 126
74bcdb33
WYG		 127/* tx */
128int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
832f47e3 129int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
619753ff 130 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
822e8b2a
EG		 131int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
132 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
832f47e3 133int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
619753ff 134 struct ieee80211_sta *sta, u16 tid);
247c61d6
EG		 135int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
136 struct iwl_rx_mem_buffer *rxb,
137 struct iwl_device_cmd *cmd);
138int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
139 struct iwl_device_cmd *cmd);
e04ed0a5 140
04569cbe
WYG		 141static inline u32 iwl_tx_status_to_mac80211(u32 status)
142{
143 status &= TX_STATUS_MSK;
144
145 switch (status) {
146 case TX_STATUS_SUCCESS:
147 case TX_STATUS_DIRECT_DONE:
148 return IEEE80211_TX_STAT_ACK;
149 case TX_STATUS_FAIL_DEST_PS:
68b99311 150 case TX_STATUS_FAIL_PASSIVE_NO_RX:
04569cbe
WYG		 151 return IEEE80211_TX_STAT_TX_FILTERED;
152 default:
153 return 0;
154 }
155}
156
157static inline bool iwl_is_tx_success(u32 status)
158{
159 status &= TX_STATUS_MSK;
160 return (status == TX_STATUS_SUCCESS) ||
161 (status == TX_STATUS_DIRECT_DONE);
162}
163
facd982e
JB		 164u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
165
b6e4c55a 166/* scan */
a77029ee 167void iwlagn_post_scan(struct iwl_priv *priv);
c6baf7fb 168void iwlagn_disable_roc(struct iwl_priv *priv);
b6e4c55a 169
b6e116e8
WYG		 170/* bt coex */
171void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
247c61d6
EG		 172int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
173 struct iwl_rx_mem_buffer *rxb,
174 struct iwl_device_cmd *cmd);
b6e116e8
WYG		 175void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
176void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
177void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
207ecc5e
MV		 178void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
179void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
b6e116e8 180
95b49ed0 181#ifdef CONFIG_IWLWIFI_DEBUG
69fdb710 182const char *iwl_get_tx_fail_reason(u32 status);
95b49ed0
WYG		 183const char *iwl_get_agg_tx_fail_reason(u16 status);
184#else
69fdb710 185static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
95b49ed0
WYG		 186static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
187#endif
a30e3112 188
c745f55b 189
a30e3112 190/* station management */
c745f55b
WYG		 191int iwlagn_manage_ibss_station(struct iwl_priv *priv,
192 struct ieee80211_vif *vif, bool add);
193#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
194#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
195#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
196 being activated */
197#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
198 (this is for the IBSS BSSID stations) */
199#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
200
201
202void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
203void iwl_clear_ucode_stations(struct iwl_priv *priv,
204 struct iwl_rxon_context *ctx);
205void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
206int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
207int iwl_send_add_sta(struct iwl_priv *priv,
208 struct iwl_addsta_cmd *sta, u8 flags);
209int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
210 const u8 *addr, bool is_ap,
211 struct ieee80211_sta *sta, u8 *sta_id_r);
212int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
213 const u8 *addr);
c745f55b
WYG		 214u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
215 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
216
217void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
218 u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
219int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
220 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
221void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
222int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
223 struct iwl_device_cmd *cmd);
224
225
226/**
227 * iwl_clear_driver_stations - clear knowledge of all stations from driver
228 * @priv: iwl priv struct
229 *
230 * This is called during iwl_down() to make sure that in the case
231 * we're coming there from a hardware restart mac80211 will be
232 * able to reconfigure stations -- if we're getting there in the
233 * normal down flow then the stations will already be cleared.
234 */
235static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
236{
237 unsigned long flags;
238 struct iwl_rxon_context *ctx;
239
240 spin_lock_irqsave(&priv->shrd->sta_lock, flags);
241 memset(priv->stations, 0, sizeof(priv->stations));
242 priv->num_stations = 0;
243
244 priv->ucode_key_table = 0;
245
246 for_each_context(priv, ctx) {
247 /*
248 * Remove all key information that is not stored as part
249 * of station information since mac80211 may not have had
250 * a chance to remove all the keys. When device is
251 * reconfigured by mac80211 after an error all keys will
252 * be reconfigured.
253 */
254 memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
255 ctx->key_mapping_keys = 0;
256 }
257
258 spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
259}
260
261static inline int iwl_sta_id(struct ieee80211_sta *sta)
262{
263 if (WARN_ON(!sta))
264 return IWL_INVALID_STATION;
265
266 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
267}
268
269/**
270 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
271 * @priv: iwl priv
272 * @context: the current context
273 * @sta: mac80211 station
274 *
275 * In certain circumstances mac80211 passes a station pointer
276 * that may be %NULL, for example during TX or key setup. In
277 * that case, we need to use the broadcast station, so this
278 * inline wraps that pattern.
279 */
280static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
281 struct iwl_rxon_context *context,
282 struct ieee80211_sta *sta)
283{
284 int sta_id;
285
286 if (!sta)
287 return context->bcast_sta_id;
288
289 sta_id = iwl_sta_id(sta);
290
291 /*
292 * mac80211 should not be passing a partially
293 * initialised station!
294 */
295 WARN_ON(sta_id == IWL_INVALID_STATION);
296
297 return sta_id;
298}
299
a30e3112
JB		 300int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
301 struct iwl_rxon_context *ctx);
302int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
303 const u8 *addr, u8 *sta_id_r);
304int iwl_remove_default_wep_key(struct iwl_priv *priv,
305 struct iwl_rxon_context *ctx,
306 struct ieee80211_key_conf *key);
307int iwl_set_default_wep_key(struct iwl_priv *priv,
308 struct iwl_rxon_context *ctx,
309 struct ieee80211_key_conf *key);
310int iwl_restore_default_wep_keys(struct iwl_priv *priv,
311 struct iwl_rxon_context *ctx);
312int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
5a3d9882
JB		 313 struct ieee80211_key_conf *key,
314 struct ieee80211_sta *sta);
a30e3112 315int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
5a3d9882
JB		 316 struct ieee80211_key_conf *key,
317 struct ieee80211_sta *sta);
a30e3112 318void iwl_update_tkip_key(struct iwl_priv *priv,
5a3d9882 319 struct ieee80211_vif *vif,
a30e3112
JB		 320 struct ieee80211_key_conf *keyconf,
321 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
322int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
323int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
324 int tid, u16 ssn);
325int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
326 int tid);
a30e3112 327void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
f775aa06
JB		 328int iwl_update_bcast_station(struct iwl_priv *priv,
329 struct iwl_rxon_context *ctx);
a30e3112
JB		 330int iwl_update_bcast_stations(struct iwl_priv *priv);
331
0de76736
JB		 332/* rate */
333static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
334{
335 return BIT(ant_idx) << RATE_MCS_ANT_POS;
336}
337
338static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
339{
2520546a 340 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
0de76736
JB		 341}
342
343static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
344{
345 return cpu_to_le32(flags|(u32)rate);
346}
347
3be63ff0 348/* eeprom */
b39488a9 349void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
ab36eab2 350void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
3be63ff0 351
4613e72d
CK		 352extern int iwl_alive_start(struct iwl_priv *priv);
353/* svtool */
5ef15ccc 354#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
ade4c649
WYG		 355extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
356 int len);
357extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
358 struct sk_buff *skb,
359 struct netlink_callback *cb,
360 void *data, int len);
4613e72d 361extern void iwl_testmode_init(struct iwl_priv *priv);
7a4e5281 362extern void iwl_testmode_cleanup(struct iwl_priv *priv);
4613e72d
CK		 363#else
364static inline
ade4c649 365int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
4613e72d
CK		 366{
367 return -ENOSYS;
368}
369static inline
ade4c649 370int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
eb64dca0
WYG		 371 struct netlink_callback *cb,
372 void *data, int len)
373{
374 return -ENOSYS;
375}
376static inline
4613e72d
CK		 377void iwl_testmode_init(struct iwl_priv *priv)
378{
379}
7a4e5281
WYG		 380static inline
381void iwl_testmode_cleanup(struct iwl_priv *priv)
382{
383}
4613e72d 384#endif
7194207c 385
a1175124 386#endif /* __iwl_agn_h__ */
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