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.
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37  * modification, are permitted provided that the following conditions
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41  *    notice, this list of conditions and the following disclaimer.
42  *  * Redistributions in binary form must reproduce the above copyright
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45  *    distribution.
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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_core_h__
64 #define __iwl_core_h__
65 
66 #include "iwl-dev.h"
67 #include "iwl-io.h"
68 
69 /************************
70  * forward declarations *
71  ************************/
72 struct iwl_host_cmd;
73 struct iwl_cmd;
74 
75 #define TIME_UNIT		1024
76 
77 struct iwl_lib_ops {
78 	/* set hw dependent parameters */
79 	void (*set_hw_params)(struct iwl_priv *priv);
80 	int (*set_channel_switch)(struct iwl_priv *priv,
81 				  struct ieee80211_channel_switch *ch_switch);
82 	/* device specific configuration */
83 	void (*nic_config)(struct iwl_priv *priv);
84 
85 	/* eeprom operations (as defined in iwl-eeprom.h) */
86 	struct iwl_eeprom_ops eeprom_ops;
87 
88 	/* temperature */
89 	void (*temperature)(struct iwl_priv *priv);
90 };
91 
92 /***************************
93  *   L i b                 *
94  ***************************/
95 
96 void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
97 			   int hw_decrypt);
98 int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
99 int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
100 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
101 			 struct iwl_rxon_context *ctx);
102 void iwl_set_flags_for_band(struct iwl_priv *priv,
103 			    struct iwl_rxon_context *ctx,
104 			    enum ieee80211_band band,
105 			    struct ieee80211_vif *vif);
106 u8 iwl_get_single_channel_number(struct iwl_priv *priv,
107 				  enum ieee80211_band band);
108 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
109 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
110 			    struct iwl_rxon_context *ctx,
111 			    struct ieee80211_sta_ht_cap *ht_cap);
112 void iwl_connection_init_rx_config(struct iwl_priv *priv,
113 				   struct iwl_rxon_context *ctx);
114 void iwl_set_rate(struct iwl_priv *priv);
115 int iwl_cmd_echo_test(struct iwl_priv *priv);
116 #ifdef CONFIG_IWLWIFI_DEBUGFS
117 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
118 void iwl_free_traffic_mem(struct iwl_priv *priv);
119 void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
120 				u16 length, struct ieee80211_hdr *header);
121 void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
122 				u16 length, struct ieee80211_hdr *header);
123 const char *get_mgmt_string(int cmd);
124 const char *get_ctrl_string(int cmd);
125 void iwl_clear_traffic_stats(struct iwl_priv *priv);
126 void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
127 		      u16 len);
128 void iwl_reset_traffic_log(struct iwl_priv *priv);
129 
130 #else
iwl_alloc_traffic_mem(struct iwl_priv * priv)131 static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
132 {
133 	return 0;
134 }
iwl_free_traffic_mem(struct iwl_priv * priv)135 static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
136 {
137 }
iwl_reset_traffic_log(struct iwl_priv * priv)138 static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
139 {
140 }
iwl_dbg_log_tx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)141 static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
142 		      u16 length, struct ieee80211_hdr *header)
143 {
144 }
iwl_dbg_log_rx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)145 static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
146 		      u16 length, struct ieee80211_hdr *header)
147 {
148 }
iwl_update_stats(struct iwl_priv * priv,bool is_tx,__le16 fc,u16 len)149 static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
150 				    __le16 fc, u16 len)
151 {
152 }
153 #endif
154 
155 /*****************************************************
156 * RX
157 ******************************************************/
158 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
159 
160 void iwl_setup_watchdog(struct iwl_priv *priv);
161 /*****************************************************
162  * TX power
163  ****************************************************/
164 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
165 
166 /*******************************************************************************
167  * Scanning
168  ******************************************************************************/
169 void iwl_init_scan_params(struct iwl_priv *priv);
170 int iwl_scan_cancel(struct iwl_priv *priv);
171 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
172 void iwl_force_scan_end(struct iwl_priv *priv);
173 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
174 int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
175 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
176 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
177 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
178 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
179 				   struct ieee80211_vif *vif,
180 				   enum iwl_scan_type scan_type,
181 				   enum ieee80211_band band);
182 
183 /* For faster active scanning, scan will move to the next channel if fewer than
184  * PLCP_QUIET_THRESH packets are heard on this channel within
185  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
186  * time if it's a quiet channel (nothing responded to our probe, and there's
187  * no other traffic).
188  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
189 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
190 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
191 
192 #define IWL_SCAN_CHECK_WATCHDOG		(HZ * 7)
193 
194 /* traffic log definitions */
195 #define IWL_TRAFFIC_ENTRIES	(256)
196 #define IWL_TRAFFIC_ENTRY_SIZE  (64)
197 
198 /*****************************************************
199  *   S e n d i n g     H o s t     C o m m a n d s   *
200  *****************************************************/
201 
202 void iwl_bg_watchdog(unsigned long data);
203 u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
204 __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
205 			   u32 addon, u32 beacon_interval);
206 
207 
208 /*****************************************************
209 *  GEOS
210 ******************************************************/
211 int iwl_init_geos(struct iwl_priv *priv);
212 void iwl_free_geos(struct iwl_priv *priv);
213 
214 extern void iwl_send_bt_config(struct iwl_priv *priv);
215 extern int iwl_send_statistics_request(struct iwl_priv *priv,
216 				       u8 flags, bool clear);
217 
218 int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
219 
iwl_get_hw_mode(struct iwl_priv * priv,enum ieee80211_band band)220 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
221 			struct iwl_priv *priv, enum ieee80211_band band)
222 {
223 	return priv->hw->wiphy->bands[band];
224 }
225 
iwl_advanced_bt_coexist(struct iwl_priv * priv)226 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
227 {
228 	return cfg(priv)->bt_params &&
229 	       cfg(priv)->bt_params->advanced_bt_coexist;
230 }
231 
232 extern bool bt_siso_mode;
233 
234 #endif /* __iwl_core_h__ */
235