iwlwifi: move scan to iwl-scan.c iwlcore

This patch moves scan code to iwl-scan.c file in iwlcore module.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/Makefile

 obj-$(CONFIG_IWLCORE)	+= iwlcore.o
-iwlcore-objs 		:= iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o iwl-calib.o
-iwlcore-objs 		+= iwl-rx.o iwl-tx.o iwl-sta.o
+iwlcore-objs 		:= iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
+iwlcore-objs 		+= iwl-rx.o iwl-tx.o iwl-sta.o iwl-calib.o
+iwlcore-objs 		+= iwl-scan.o
 iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
 iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_RFKILL) += iwl-rfkill.o

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

@@ -2100,7 +2100,7 @@ struct iwl4965_ct_kill_config {
  *****************************************************************************/
 
 /**
- * struct iwl4965_scan_channel - entry in REPLY_SCAN_CMD channel table
+ * struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table
  *
  * One for each channel in the scan list.
  * Each channel can independently select:
@@ -2110,7 +2110,7 @@ struct iwl4965_ct_kill_config {
  *     quiet_plcp_th, good_CRC_th)
  *
  * To avoid uCode errors, make sure the following are true (see comments
- * under struct iwl4965_scan_cmd about max_out_time and quiet_time):
+ * under struct iwl_scan_cmd about max_out_time and quiet_time):
  * 1)  If using passive_dwell (i.e. passive_dwell != 0):
  *     active_dwell <= passive_dwell (< max_out_time if max_out_time != 0)
  * 2)  quiet_time <= active_dwell
@@ -2118,7 +2118,7 @@ struct iwl4965_ct_kill_config {
  *     passive_dwell < max_out_time
  *     active_dwell < max_out_time
  */
-struct iwl4965_scan_channel {
+struct iwl_scan_channel {
 	/*
 	 * type is defined as:
 	 * 0:0 1 = active, 0 = passive
@@ -2134,13 +2134,13 @@ struct iwl4965_scan_channel {
 } __attribute__ ((packed));
 
 /**
- * struct iwl4965_ssid_ie - directed scan network information element
+ * struct iwl_ssid_ie - directed scan network information element
  *
  * Up to 4 of these may appear in REPLY_SCAN_CMD, selected by "type" field
  * in struct iwl4965_scan_channel; each channel may select different ssids from
  * among the 4 entries.  SSID IEs get transmitted in reverse order of entry.
  */
-struct iwl4965_ssid_ie {
+struct iwl_ssid_ie {
 	u8 id;
 	u8 len;
 	u8 ssid[32];
@@ -2201,9 +2201,9 @@ struct iwl4965_ssid_ie {
  * Driver must use separate scan commands for 2.4 vs. 5 GHz bands.
  *
  * To avoid uCode errors, see timing restrictions described under
- * struct iwl4965_scan_channel.
+ * struct iwl_scan_channel.
  */
-struct iwl4965_scan_cmd {
+struct iwl_scan_cmd {
 	__le16 len;
 	u8 reserved0;
 	u8 channel_count;	/* # channels in channel list */
@@ -2227,7 +2227,7 @@ struct iwl4965_scan_cmd {
 	struct iwl_tx_cmd tx_cmd;
 
 	/* For directed active scans (set to all-0s otherwise) */
-	struct iwl4965_ssid_ie direct_scan[PROBE_OPTION_MAX];
+	struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
 
 	/*
 	 * Probe request frame, followed by channel list.
@@ -2255,14 +2255,14 @@ struct iwl4965_scan_cmd {
 /*
  * REPLY_SCAN_CMD = 0x80 (response)
  */
-struct iwl4965_scanreq_notification {
+struct iwl_scanreq_notification {
 	__le32 status;		/* 1: okay, 2: cannot fulfill request */
 } __attribute__ ((packed));
 
 /*
  * SCAN_START_NOTIFICATION = 0x82 (notification only, not a command)
  */
-struct iwl4965_scanstart_notification {
+struct iwl_scanstart_notification {
 	__le32 tsf_low;
 	__le32 tsf_high;
 	__le32 beacon_timer;
@@ -2279,7 +2279,7 @@ struct iwl4965_scanstart_notification {
 /*
  * SCAN_RESULTS_NOTIFICATION = 0x83 (notification only, not a command)
  */
-struct iwl4965_scanresults_notification {
+struct iwl_scanresults_notification {
 	u8 channel;
 	u8 band;
 	u8 reserved[2];
@@ -2291,7 +2291,7 @@ struct iwl4965_scanresults_notification {
 /*
  * SCAN_COMPLETE_NOTIFICATION = 0x84 (notification only, not a command)
  */
-struct iwl4965_scancomplete_notification {
+struct iwl_scancomplete_notification {
 	u8 scanned_channels;
 	u8 status;
 	u8 reserved;

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

@@ -243,6 +243,16 @@ int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
  ****************************************************/
 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
 
+/*******************************************************************************
+ * Scanning
+ ******************************************************************************/
+int iwl_scan_cancel(struct iwl_priv *priv);
+int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
+const char *iwl_escape_essid(const char *essid, u8 essid_len);
+int iwl_scan_initiate(struct iwl_priv *priv);
+void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
+void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
+
 /*****************************************************
  *   S e n d i n g     H o s t     C o m m a n d s   *
  *****************************************************/

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

@@ -976,7 +976,7 @@ struct iwl_priv {
 	int one_direct_scan;
 	u8 direct_ssid_len;
 	u8 direct_ssid[IW_ESSID_MAX_SIZE];
-	struct iwl4965_scan_cmd *scan;
+	struct iwl_scan_cmd *scan;
 
 	/* spinlock */
 	spinlock_t lock;	/* protect general shared data */