drivers/net/wireless/iwlwifi/iwl-core.h

   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
 131 static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
 132 {
 133         return 0;
 134 }
 135 static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
 136 {
 137 }
 138 static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
 139 {
 140 }
 141 static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
 142                       u16 length, struct ieee80211_hdr *header)
 143 {
 144 }
 145 static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
 146                       u16 length, struct ieee80211_hdr *header)
 147 {
 148 }
 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
 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
 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__ */