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_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