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Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
[linux-2.6-block.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 *
901069c7 8 * Copyright(c) 2008 - 2011 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 *
901069c7 33 * Copyright(c) 2005 - 2011 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
dc21b545
JB		 68extern struct ieee80211_ops iwlagn_hw_ops;
69
6bb78847 70int iwl_reset_ict(struct iwl_trans *trans);
a1175124 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
7314c2b3 80/* RXON */
e505c433 81int iwlagn_set_pan_params(struct iwl_priv *priv);
7314c2b3 82int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
5de33068 83void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
2295c66b
JB		 84int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
85void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
86 struct ieee80211_vif *vif,
87 struct ieee80211_bss_conf *bss_conf,
88 u32 changes);
34a5b4b6
WYG		 89void iwlagn_config_ht40(struct ieee80211_conf *conf,
90 struct iwl_rxon_context *ctx);
7314c2b3 91
741a6266 92/* uCode */
247c61d6
EG		 93int iwlagn_rx_calib_result(struct iwl_priv *priv,
94 struct iwl_rx_mem_buffer *rxb,
95 struct iwl_device_cmd *cmd);
ca7966c8 96int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
f7322f8f 97void iwlagn_send_prio_tbl(struct iwl_priv *priv);
ca7966c8
JB		 98int iwlagn_run_init_ucode(struct iwl_priv *priv);
99int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
dbf28e21 100 struct fw_img *image,
872907bb 101 enum iwlagn_ucode_type ucode_type);
741a6266 102
e04ed0a5 103/* lib */
e04ed0a5
WYG		 104int iwlagn_send_tx_power(struct iwl_priv *priv);
105void iwlagn_temperature(struct iwl_priv *priv);
106u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv);
716c74b0 107int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
65550636 108void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
e505c433 109int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
74bcdb33 110
54b81550 111/* rx */
8d801080 112int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
466a19a0 113void iwl_setup_rx_handlers(struct iwl_priv *priv);
1ab9f6c1 114
54b81550 115
74bcdb33
WYG		 116/* tx */
117int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
832f47e3 118int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
619753ff 119 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
832f47e3 120int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
619753ff 121 struct ieee80211_sta *sta, u16 tid);
247c61d6
EG		 122int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
123 struct iwl_rx_mem_buffer *rxb,
124 struct iwl_device_cmd *cmd);
125int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
126 struct iwl_device_cmd *cmd);
e04ed0a5 127
04569cbe
WYG		 128static inline u32 iwl_tx_status_to_mac80211(u32 status)
129{
130 status &= TX_STATUS_MSK;
131
132 switch (status) {
133 case TX_STATUS_SUCCESS:
134 case TX_STATUS_DIRECT_DONE:
135 return IEEE80211_TX_STAT_ACK;
136 case TX_STATUS_FAIL_DEST_PS:
68b99311 137 case TX_STATUS_FAIL_PASSIVE_NO_RX:
04569cbe
WYG		 138 return IEEE80211_TX_STAT_TX_FILTERED;
139 default:
140 return 0;
141 }
142}
143
144static inline bool iwl_is_tx_success(u32 status)
145{
146 status &= TX_STATUS_MSK;
147 return (status == TX_STATUS_SUCCESS) ||
148 (status == TX_STATUS_DIRECT_DONE);
149}
150
facd982e
JB		 151u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
152
b6e4c55a 153/* scan */
a77029ee 154void iwlagn_post_scan(struct iwl_priv *priv);
c6baf7fb 155void iwlagn_disable_roc(struct iwl_priv *priv);
b6e4c55a 156
b6e116e8
WYG		 157/* bt coex */
158void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
247c61d6
EG		 159int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
160 struct iwl_rx_mem_buffer *rxb,
161 struct iwl_device_cmd *cmd);
b6e116e8
WYG		 162void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
163void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
164void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
207ecc5e
MV		 165void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
166void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
b6e116e8 167
95b49ed0 168#ifdef CONFIG_IWLWIFI_DEBUG
69fdb710 169const char *iwl_get_tx_fail_reason(u32 status);
95b49ed0
WYG		 170const char *iwl_get_agg_tx_fail_reason(u16 status);
171#else
69fdb710 172static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
95b49ed0
WYG		 173static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
174#endif
a30e3112 175
c745f55b 176
a30e3112 177/* station management */
c745f55b
WYG		 178int iwlagn_manage_ibss_station(struct iwl_priv *priv,
179 struct ieee80211_vif *vif, bool add);
180#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
181#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
182#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
183 being activated */
184#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
185 (this is for the IBSS BSSID stations) */
186#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
187
188
189void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
190void iwl_clear_ucode_stations(struct iwl_priv *priv,
191 struct iwl_rxon_context *ctx);
192void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
193int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
194int iwl_send_add_sta(struct iwl_priv *priv,
195 struct iwl_addsta_cmd *sta, u8 flags);
196int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
197 const u8 *addr, bool is_ap,
198 struct ieee80211_sta *sta, u8 *sta_id_r);
199int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
200 const u8 *addr);
201int iwlagn_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
202 struct ieee80211_sta *sta);
203
204u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
205 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
206
207void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
208 u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
209int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
210 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
211void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
212int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
213 struct iwl_device_cmd *cmd);
214
215
216/**
217 * iwl_clear_driver_stations - clear knowledge of all stations from driver
218 * @priv: iwl priv struct
219 *
220 * This is called during iwl_down() to make sure that in the case
221 * we're coming there from a hardware restart mac80211 will be
222 * able to reconfigure stations -- if we're getting there in the
223 * normal down flow then the stations will already be cleared.
224 */
225static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
226{
227 unsigned long flags;
228 struct iwl_rxon_context *ctx;
229
230 spin_lock_irqsave(&priv->shrd->sta_lock, flags);
231 memset(priv->stations, 0, sizeof(priv->stations));
232 priv->num_stations = 0;
233
234 priv->ucode_key_table = 0;
235
236 for_each_context(priv, ctx) {
237 /*
238 * Remove all key information that is not stored as part
239 * of station information since mac80211 may not have had
240 * a chance to remove all the keys. When device is
241 * reconfigured by mac80211 after an error all keys will
242 * be reconfigured.
243 */
244 memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
245 ctx->key_mapping_keys = 0;
246 }
247
248 spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
249}
250
251static inline int iwl_sta_id(struct ieee80211_sta *sta)
252{
253 if (WARN_ON(!sta))
254 return IWL_INVALID_STATION;
255
256 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
257}
258
259/**
260 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
261 * @priv: iwl priv
262 * @context: the current context
263 * @sta: mac80211 station
264 *
265 * In certain circumstances mac80211 passes a station pointer
266 * that may be %NULL, for example during TX or key setup. In
267 * that case, we need to use the broadcast station, so this
268 * inline wraps that pattern.
269 */
270static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
271 struct iwl_rxon_context *context,
272 struct ieee80211_sta *sta)
273{
274 int sta_id;
275
276 if (!sta)
277 return context->bcast_sta_id;
278
279 sta_id = iwl_sta_id(sta);
280
281 /*
282 * mac80211 should not be passing a partially
283 * initialised station!
284 */
285 WARN_ON(sta_id == IWL_INVALID_STATION);
286
287 return sta_id;
288}
289
a30e3112
JB		 290int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
291 struct iwl_rxon_context *ctx);
292int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
293 const u8 *addr, u8 *sta_id_r);
294int iwl_remove_default_wep_key(struct iwl_priv *priv,
295 struct iwl_rxon_context *ctx,
296 struct ieee80211_key_conf *key);
297int iwl_set_default_wep_key(struct iwl_priv *priv,
298 struct iwl_rxon_context *ctx,
299 struct ieee80211_key_conf *key);
300int iwl_restore_default_wep_keys(struct iwl_priv *priv,
301 struct iwl_rxon_context *ctx);
302int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
5a3d9882
JB		 303 struct ieee80211_key_conf *key,
304 struct ieee80211_sta *sta);
a30e3112 305int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
5a3d9882
JB		 306 struct ieee80211_key_conf *key,
307 struct ieee80211_sta *sta);
a30e3112 308void iwl_update_tkip_key(struct iwl_priv *priv,
5a3d9882 309 struct ieee80211_vif *vif,
a30e3112
JB		 310 struct ieee80211_key_conf *keyconf,
311 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
312int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
313int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
314 int tid, u16 ssn);
315int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
316 int tid);
a30e3112 317void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
f775aa06
JB		 318int iwl_update_bcast_station(struct iwl_priv *priv,
319 struct iwl_rxon_context *ctx);
a30e3112 320int iwl_update_bcast_stations(struct iwl_priv *priv);
ae79d23d
JB		 321void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,
322 struct ieee80211_vif *vif,
323 enum sta_notify_cmd cmd,
324 struct ieee80211_sta *sta);
a30e3112 325
0de76736
JB		 326/* rate */
327static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
328{
329 return BIT(ant_idx) << RATE_MCS_ANT_POS;
330}
331
332static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
333{
2520546a 334 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
0de76736
JB		 335}
336
337static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
338{
339 return cpu_to_le32(flags|(u32)rate);
340}
341
3be63ff0 342/* eeprom */
b39488a9 343void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
3be63ff0 344void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac);
3be63ff0 345
7194207c
JB		 346/* notification wait support */
347void __acquires(wait_entry)
348iwlagn_init_notification_wait(struct iwl_priv *priv,
349 struct iwl_notification_wait *wait_entry,
09f18afe 350 u8 cmd,
7194207c 351 void (*fn)(struct iwl_priv *priv,
09f18afe
JB		 352 struct iwl_rx_packet *pkt,
353 void *data),
354 void *fn_data);
a8674a1e 355int __must_check __releases(wait_entry)
7194207c
JB		 356iwlagn_wait_notification(struct iwl_priv *priv,
357 struct iwl_notification_wait *wait_entry,
358 unsigned long timeout);
359void __releases(wait_entry)
360iwlagn_remove_notification(struct iwl_priv *priv,
361 struct iwl_notification_wait *wait_entry);
4613e72d
CK		 362extern int iwlagn_init_alive_start(struct iwl_priv *priv);
363extern int iwl_alive_start(struct iwl_priv *priv);
364/* svtool */
365#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
ade4c649
WYG		 366extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
367 int len);
368extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
369 struct sk_buff *skb,
370 struct netlink_callback *cb,
371 void *data, int len);
4613e72d 372extern void iwl_testmode_init(struct iwl_priv *priv);
7a4e5281 373extern void iwl_testmode_cleanup(struct iwl_priv *priv);
4613e72d
CK		 374#else
375static inline
ade4c649 376int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
4613e72d
CK		 377{
378 return -ENOSYS;
379}
380static inline
ade4c649 381int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
eb64dca0
WYG		 382 struct netlink_callback *cb,
383 void *data, int len)
384{
385 return -ENOSYS;
386}
387static inline
4613e72d
CK		 388void iwl_testmode_init(struct iwl_priv *priv)
389{
390}
7a4e5281
WYG		 391static inline
392void iwl_testmode_cleanup(struct iwl_priv *priv)
393{
394}
4613e72d 395#endif
7194207c 396
a1175124 397#endif /* __iwl_agn_h__ */
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