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 - 2012 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 - 2012 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 iwl_ucode_capabilities;
69
70 extern struct ieee80211_ops iwlagn_hw_ops;
71
iwl_set_calib_hdr(struct iwl_calib_hdr * hdr,u8 cmd)72 static 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
80 void iwl_down(struct iwl_priv *priv);
81 void iwl_cancel_deferred_work(struct iwl_priv *priv);
82 void iwlagn_prepare_restart(struct iwl_priv *priv);
83 void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb);
84 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
85 struct iwl_rx_cmd_buffer *rxb,
86 struct iwl_device_cmd *cmd);
87 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
88 void iwl_nic_error(struct iwl_op_mode *op_mode);
89
90 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
91
92 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
93
94 /* MAC80211 */
95 struct ieee80211_hw *iwl_alloc_all(void);
96 int iwlagn_mac_setup_register(struct iwl_priv *priv,
97 const struct iwl_ucode_capabilities *capa);
98 void iwlagn_mac_unregister(struct iwl_priv *priv);
99
100 /* commands */
101 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
102 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
103 u32 flags, u16 len, const void *data);
104
105 /* RXON */
106 int iwlagn_set_pan_params(struct iwl_priv *priv);
107 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
108 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
109 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
110 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
111 struct ieee80211_vif *vif,
112 struct ieee80211_bss_conf *bss_conf,
113 u32 changes);
114 void iwlagn_config_ht40(struct ieee80211_conf *conf,
115 struct iwl_rxon_context *ctx);
116
117 /* uCode */
118 int iwlagn_rx_calib_result(struct iwl_priv *priv,
119 struct iwl_rx_cmd_buffer *rxb,
120 struct iwl_device_cmd *cmd);
121 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
122 void iwl_send_prio_tbl(struct iwl_priv *priv);
123 int iwl_init_alive_start(struct iwl_priv *priv);
124 int iwl_run_init_ucode(struct iwl_priv *priv);
125 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
126 enum iwl_ucode_type ucode_type);
127 int iwl_send_calib_results(struct iwl_priv *priv);
128 int iwl_calib_set(struct iwl_priv *priv,
129 const struct iwl_calib_hdr *cmd, int len);
130 void iwl_calib_free_results(struct iwl_priv *priv);
131
132 /* lib */
133 int iwlagn_send_tx_power(struct iwl_priv *priv);
134 void iwlagn_temperature(struct iwl_priv *priv);
135 u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
136 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
137 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
138 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
139 #ifdef CONFIG_PM_SLEEP
140 int iwlagn_send_patterns(struct iwl_priv *priv,
141 struct cfg80211_wowlan *wowlan);
142 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
143 #endif
144
145 /* rx */
146 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
147 void iwl_setup_rx_handlers(struct iwl_priv *priv);
148
149
150 /* tx */
151 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
152 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
153 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
154 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
155 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
156 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
157 struct ieee80211_sta *sta, u16 tid);
158 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
159 struct iwl_rx_cmd_buffer *rxb,
160 struct iwl_device_cmd *cmd);
161 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
162 struct iwl_device_cmd *cmd);
163
iwl_tx_status_to_mac80211(u32 status)164 static inline u32 iwl_tx_status_to_mac80211(u32 status)
165 {
166 status &= TX_STATUS_MSK;
167
168 switch (status) {
169 case TX_STATUS_SUCCESS:
170 case TX_STATUS_DIRECT_DONE:
171 return IEEE80211_TX_STAT_ACK;
172 case TX_STATUS_FAIL_DEST_PS:
173 case TX_STATUS_FAIL_PASSIVE_NO_RX:
174 return IEEE80211_TX_STAT_TX_FILTERED;
175 default:
176 return 0;
177 }
178 }
179
iwl_is_tx_success(u32 status)180 static inline bool iwl_is_tx_success(u32 status)
181 {
182 status &= TX_STATUS_MSK;
183 return (status == TX_STATUS_SUCCESS) ||
184 (status == TX_STATUS_DIRECT_DONE);
185 }
186
187 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
188
189 /* scan */
190 void iwlagn_post_scan(struct iwl_priv *priv);
191 void iwlagn_disable_roc(struct iwl_priv *priv);
192
193 /* bt coex */
194 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
195 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
196 struct iwl_rx_cmd_buffer *rxb,
197 struct iwl_device_cmd *cmd);
198 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
199 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
200 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
201 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
202 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
203
204 #ifdef CONFIG_IWLWIFI_DEBUG
205 const char *iwl_get_tx_fail_reason(u32 status);
206 const char *iwl_get_agg_tx_fail_reason(u16 status);
207 #else
iwl_get_tx_fail_reason(u32 status)208 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
iwl_get_agg_tx_fail_reason(u16 status)209 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
210 #endif
211
212
213 /* station management */
214 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
215 struct ieee80211_vif *vif, bool add);
216 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
217 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
218 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
219 being activated */
220 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
221 (this is for the IBSS BSSID stations) */
222 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
223
224
225 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
226 void iwl_clear_ucode_stations(struct iwl_priv *priv,
227 struct iwl_rxon_context *ctx);
228 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
229 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
230 int iwl_send_add_sta(struct iwl_priv *priv,
231 struct iwl_addsta_cmd *sta, u8 flags);
232 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
233 const u8 *addr, bool is_ap,
234 struct ieee80211_sta *sta, u8 *sta_id_r);
235 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
236 const u8 *addr);
237 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
238 const u8 *addr);
239 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
240 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
241
242 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
243 u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
244 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
245 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
246 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
247 struct iwl_device_cmd *cmd);
248 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
249 struct ieee80211_sta *sta);
250
251
iwl_sta_id(struct ieee80211_sta * sta)252 static inline int iwl_sta_id(struct ieee80211_sta *sta)
253 {
254 if (WARN_ON(!sta))
255 return IWL_INVALID_STATION;
256
257 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
258 }
259
260 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
261 struct iwl_rxon_context *ctx);
262 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
263 const u8 *addr, u8 *sta_id_r);
264 int iwl_remove_default_wep_key(struct iwl_priv *priv,
265 struct iwl_rxon_context *ctx,
266 struct ieee80211_key_conf *key);
267 int iwl_set_default_wep_key(struct iwl_priv *priv,
268 struct iwl_rxon_context *ctx,
269 struct ieee80211_key_conf *key);
270 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
271 struct iwl_rxon_context *ctx);
272 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
273 struct ieee80211_key_conf *key,
274 struct ieee80211_sta *sta);
275 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
276 struct ieee80211_key_conf *key,
277 struct ieee80211_sta *sta);
278 void iwl_update_tkip_key(struct iwl_priv *priv,
279 struct ieee80211_vif *vif,
280 struct ieee80211_key_conf *keyconf,
281 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
282 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
283 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
284 int tid, u16 ssn);
285 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
286 int tid);
287 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
288 int iwl_update_bcast_station(struct iwl_priv *priv,
289 struct iwl_rxon_context *ctx);
290 int iwl_update_bcast_stations(struct iwl_priv *priv);
291
292 /* rate */
iwl_ant_idx_to_flags(u8 ant_idx)293 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
294 {
295 return BIT(ant_idx) << RATE_MCS_ANT_POS;
296 }
297
iwl_hw_get_rate(__le32 rate_n_flags)298 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
299 {
300 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
301 }
302
iwl_hw_set_rate_n_flags(u8 rate,u32 flags)303 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
304 {
305 return cpu_to_le32(flags|(u32)rate);
306 }
307
308 /* eeprom */
309 void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
310
311 extern int iwl_alive_start(struct iwl_priv *priv);
312 /* svtool */
313 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
314 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
315 int len);
316 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
317 struct sk_buff *skb,
318 struct netlink_callback *cb,
319 void *data, int len);
320 extern void iwl_testmode_init(struct iwl_priv *priv);
321 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
322 #else
323 static inline
iwlagn_mac_testmode_cmd(struct ieee80211_hw * hw,void * data,int len)324 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
325 {
326 return -ENOSYS;
327 }
328 static inline
iwlagn_mac_testmode_dump(struct ieee80211_hw * hw,struct sk_buff * skb,struct netlink_callback * cb,void * data,int len)329 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
330 struct netlink_callback *cb,
331 void *data, int len)
332 {
333 return -ENOSYS;
334 }
335 static inline
iwl_testmode_init(struct iwl_priv * priv)336 void iwl_testmode_init(struct iwl_priv *priv)
337 {
338 }
339 static inline
iwl_testmode_cleanup(struct iwl_priv * priv)340 void iwl_testmode_cleanup(struct iwl_priv *priv)
341 {
342 }
343 #endif
344
345 #ifdef CONFIG_IWLWIFI_DEBUG
346 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
347 enum iwl_rxon_context_id ctxid);
348 #else
iwl_print_rx_config_cmd(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)349 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
350 enum iwl_rxon_context_id ctxid)
351 {
352 }
353 #endif
354
355 /* status checks */
356
iwl_is_ready(struct iwl_priv * priv)357 static inline int iwl_is_ready(struct iwl_priv *priv)
358 {
359 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
360 * set but EXIT_PENDING is not */
361 return test_bit(STATUS_READY, &priv->status) &&
362 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
363 !test_bit(STATUS_EXIT_PENDING, &priv->status);
364 }
365
iwl_is_alive(struct iwl_priv * priv)366 static inline int iwl_is_alive(struct iwl_priv *priv)
367 {
368 return test_bit(STATUS_ALIVE, &priv->status);
369 }
370
iwl_is_rfkill(struct iwl_priv * priv)371 static inline int iwl_is_rfkill(struct iwl_priv *priv)
372 {
373 return test_bit(STATUS_RF_KILL_HW, &priv->status);
374 }
375
iwl_is_ctkill(struct iwl_priv * priv)376 static inline int iwl_is_ctkill(struct iwl_priv *priv)
377 {
378 return test_bit(STATUS_CT_KILL, &priv->status);
379 }
380
iwl_is_ready_rf(struct iwl_priv * priv)381 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
382 {
383 if (iwl_is_rfkill(priv))
384 return 0;
385
386 return iwl_is_ready(priv);
387 }
388
389 #ifdef CONFIG_IWLWIFI_DEBUG
390 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
391 do { \
392 if (!iwl_is_rfkill((m))) \
393 IWL_ERR(m, fmt, ##args); \
394 else \
395 __iwl_err(trans(m)->dev, true, \
396 !iwl_have_debug_level(IWL_DL_RADIO), \
397 fmt, ##args); \
398 } while (0)
399 #else
400 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
401 do { \
402 if (!iwl_is_rfkill((m))) \
403 IWL_ERR(m, fmt, ##args); \
404 else \
405 __iwl_err(trans(m)->dev, true, true, fmt, ##args); \
406 } while (0)
407 #endif /* CONFIG_IWLWIFI_DEBUG */
408
409 #endif /* __iwl_agn_h__ */
410