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 - 2011 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 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 *
33 * Copyright(c) 2005 - 2011 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-dev.h"
67
68 struct iwlagn_ucode_capabilities {
69 u32 max_probe_length;
70 u32 standard_phy_calibration_size;
71 u32 flags;
72 };
73
74 extern struct ieee80211_ops iwlagn_hw_ops;
75
76 int iwl_reset_ict(struct iwl_trans *trans);
77
iwl_set_calib_hdr(struct iwl_calib_hdr * hdr,u8 cmd)78 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
79 {
80 hdr->op_code = cmd;
81 hdr->first_group = 0;
82 hdr->groups_num = 1;
83 hdr->data_valid = 1;
84 }
85
86 void __iwl_down(struct iwl_priv *priv);
87 void iwl_down(struct iwl_priv *priv);
88 void iwlagn_prepare_restart(struct iwl_priv *priv);
89
90 /* MAC80211 */
91 struct ieee80211_hw *iwl_alloc_all(void);
92 int iwlagn_mac_setup_register(struct iwl_priv *priv,
93 struct iwlagn_ucode_capabilities *capa);
94 void iwlagn_mac_unregister(struct iwl_priv *priv);
95
96 /* RXON */
97 int iwlagn_set_pan_params(struct iwl_priv *priv);
98 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
99 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
100 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
101 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
102 struct ieee80211_vif *vif,
103 struct ieee80211_bss_conf *bss_conf,
104 u32 changes);
105 void iwlagn_config_ht40(struct ieee80211_conf *conf,
106 struct iwl_rxon_context *ctx);
107
108 /* uCode */
109 int iwlagn_rx_calib_result(struct iwl_priv *priv,
110 struct iwl_rx_mem_buffer *rxb,
111 struct iwl_device_cmd *cmd);
112
113 /* lib */
114 int iwlagn_send_tx_power(struct iwl_priv *priv);
115 void iwlagn_temperature(struct iwl_priv *priv);
116 u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
117 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
118 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
119 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
120 #ifdef CONFIG_PM_SLEEP
121 int iwlagn_send_patterns(struct iwl_priv *priv,
122 struct cfg80211_wowlan *wowlan);
123 int iwlagn_suspend(struct iwl_priv *priv,
124 struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
125 #endif
126
127 /* rx */
128 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
129 void iwl_setup_rx_handlers(struct iwl_priv *priv);
130
131
132 /* tx */
133 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
134 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
135 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
136 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
137 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
138 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
139 struct ieee80211_sta *sta, u16 tid);
140 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
141 struct iwl_rx_mem_buffer *rxb,
142 struct iwl_device_cmd *cmd);
143 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
144 struct iwl_device_cmd *cmd);
145
iwl_tx_status_to_mac80211(u32 status)146 static inline u32 iwl_tx_status_to_mac80211(u32 status)
147 {
148 status &= TX_STATUS_MSK;
149
150 switch (status) {
151 case TX_STATUS_SUCCESS:
152 case TX_STATUS_DIRECT_DONE:
153 return IEEE80211_TX_STAT_ACK;
154 case TX_STATUS_FAIL_DEST_PS:
155 case TX_STATUS_FAIL_PASSIVE_NO_RX:
156 return IEEE80211_TX_STAT_TX_FILTERED;
157 default:
158 return 0;
159 }
160 }
161
iwl_is_tx_success(u32 status)162 static inline bool iwl_is_tx_success(u32 status)
163 {
164 status &= TX_STATUS_MSK;
165 return (status == TX_STATUS_SUCCESS) ||
166 (status == TX_STATUS_DIRECT_DONE);
167 }
168
169 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
170
171 /* scan */
172 void iwlagn_post_scan(struct iwl_priv *priv);
173 void iwlagn_disable_roc(struct iwl_priv *priv);
174
175 /* bt coex */
176 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
177 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
178 struct iwl_rx_mem_buffer *rxb,
179 struct iwl_device_cmd *cmd);
180 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
181 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
182 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
183 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
184 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
185
186 #ifdef CONFIG_IWLWIFI_DEBUG
187 const char *iwl_get_tx_fail_reason(u32 status);
188 const char *iwl_get_agg_tx_fail_reason(u16 status);
189 #else
iwl_get_tx_fail_reason(u32 status)190 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
iwl_get_agg_tx_fail_reason(u16 status)191 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
192 #endif
193
194
195 /* station management */
196 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
197 struct ieee80211_vif *vif, bool add);
198 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
199 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
200 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
201 being activated */
202 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
203 (this is for the IBSS BSSID stations) */
204 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
205
206
207 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
208 void iwl_clear_ucode_stations(struct iwl_priv *priv,
209 struct iwl_rxon_context *ctx);
210 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
211 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
212 int iwl_send_add_sta(struct iwl_priv *priv,
213 struct iwl_addsta_cmd *sta, u8 flags);
214 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
215 const u8 *addr, bool is_ap,
216 struct ieee80211_sta *sta, u8 *sta_id_r);
217 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
218 const u8 *addr);
219 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
220 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
221
222 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
223 u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
224 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
225 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
226 void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
227 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
228 struct iwl_device_cmd *cmd);
229
230
231 /**
232 * iwl_clear_driver_stations - clear knowledge of all stations from driver
233 * @priv: iwl priv struct
234 *
235 * This is called during iwl_down() to make sure that in the case
236 * we're coming there from a hardware restart mac80211 will be
237 * able to reconfigure stations -- if we're getting there in the
238 * normal down flow then the stations will already be cleared.
239 */
iwl_clear_driver_stations(struct iwl_priv * priv)240 static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
241 {
242 unsigned long flags;
243 struct iwl_rxon_context *ctx;
244
245 spin_lock_irqsave(&priv->shrd->sta_lock, flags);
246 memset(priv->stations, 0, sizeof(priv->stations));
247 priv->num_stations = 0;
248
249 priv->ucode_key_table = 0;
250
251 for_each_context(priv, ctx) {
252 /*
253 * Remove all key information that is not stored as part
254 * of station information since mac80211 may not have had
255 * a chance to remove all the keys. When device is
256 * reconfigured by mac80211 after an error all keys will
257 * be reconfigured.
258 */
259 memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
260 ctx->key_mapping_keys = 0;
261 }
262
263 spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
264 }
265
iwl_sta_id(struct ieee80211_sta * sta)266 static inline int iwl_sta_id(struct ieee80211_sta *sta)
267 {
268 if (WARN_ON(!sta))
269 return IWL_INVALID_STATION;
270
271 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
272 }
273
274 /**
275 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
276 * @priv: iwl priv
277 * @context: the current context
278 * @sta: mac80211 station
279 *
280 * In certain circumstances mac80211 passes a station pointer
281 * that may be %NULL, for example during TX or key setup. In
282 * that case, we need to use the broadcast station, so this
283 * inline wraps that pattern.
284 */
iwl_sta_id_or_broadcast(struct iwl_priv * priv,struct iwl_rxon_context * context,struct ieee80211_sta * sta)285 static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
286 struct iwl_rxon_context *context,
287 struct ieee80211_sta *sta)
288 {
289 int sta_id;
290
291 if (!sta)
292 return context->bcast_sta_id;
293
294 sta_id = iwl_sta_id(sta);
295
296 /*
297 * mac80211 should not be passing a partially
298 * initialised station!
299 */
300 WARN_ON(sta_id == IWL_INVALID_STATION);
301
302 return sta_id;
303 }
304
305 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
306 struct iwl_rxon_context *ctx);
307 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
308 const u8 *addr, u8 *sta_id_r);
309 int iwl_remove_default_wep_key(struct iwl_priv *priv,
310 struct iwl_rxon_context *ctx,
311 struct ieee80211_key_conf *key);
312 int iwl_set_default_wep_key(struct iwl_priv *priv,
313 struct iwl_rxon_context *ctx,
314 struct ieee80211_key_conf *key);
315 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
316 struct iwl_rxon_context *ctx);
317 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
318 struct ieee80211_key_conf *key,
319 struct ieee80211_sta *sta);
320 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
321 struct ieee80211_key_conf *key,
322 struct ieee80211_sta *sta);
323 void iwl_update_tkip_key(struct iwl_priv *priv,
324 struct ieee80211_vif *vif,
325 struct ieee80211_key_conf *keyconf,
326 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
327 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
328 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
329 int tid, u16 ssn);
330 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
331 int tid);
332 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
333 int iwl_update_bcast_station(struct iwl_priv *priv,
334 struct iwl_rxon_context *ctx);
335 int iwl_update_bcast_stations(struct iwl_priv *priv);
336
337 /* rate */
iwl_ant_idx_to_flags(u8 ant_idx)338 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
339 {
340 return BIT(ant_idx) << RATE_MCS_ANT_POS;
341 }
342
iwl_hw_get_rate(__le32 rate_n_flags)343 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
344 {
345 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
346 }
347
iwl_hw_set_rate_n_flags(u8 rate,u32 flags)348 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
349 {
350 return cpu_to_le32(flags|(u32)rate);
351 }
352
353 /* eeprom */
354 void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
355 void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
356
357 extern int iwl_alive_start(struct iwl_priv *priv);
358 /* svtool */
359 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
360 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
361 int len);
362 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
363 struct sk_buff *skb,
364 struct netlink_callback *cb,
365 void *data, int len);
366 extern void iwl_testmode_init(struct iwl_priv *priv);
367 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
368 #else
369 static inline
iwlagn_mac_testmode_cmd(struct ieee80211_hw * hw,void * data,int len)370 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
371 {
372 return -ENOSYS;
373 }
374 static inline
iwlagn_mac_testmode_dump(struct ieee80211_hw * hw,struct sk_buff * skb,struct netlink_callback * cb,void * data,int len)375 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
376 struct netlink_callback *cb,
377 void *data, int len)
378 {
379 return -ENOSYS;
380 }
381 static inline
iwl_testmode_init(struct iwl_priv * priv)382 void iwl_testmode_init(struct iwl_priv *priv)
383 {
384 }
385 static inline
iwl_testmode_cleanup(struct iwl_priv * priv)386 void iwl_testmode_cleanup(struct iwl_priv *priv)
387 {
388 }
389 #endif
390
391 #endif /* __iwl_agn_h__ */
392