[PATCH] libertas: make more functions static & remove unused functions

Some functions where declared in header files, but used only once. They are
now static functions.

After doing this, I found out that some functions weren't used at all. I
removed this dead code.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/11d.c

@@ -446,25 +446,6 @@ void libertas_init_11d(wlan_private * priv)
 	return;
 }
 
-static int wlan_enable_11d(wlan_private * priv, u8 flag)
-{
-	int ret;
-
-	priv->adapter->enable11d = flag;
-
-	/* send cmd to FW to enable/disable 11D function in FW */
-	ret = libertas_prepare_and_send_command(priv,
-				    CMD_802_11_SNMP_MIB,
-				    CMD_ACT_SET,
-				    CMD_OPTION_WAITFORRSP,
-				    OID_802_11D_ENABLE,
-				    &priv->adapter->enable11d);
-	if (ret)
-		lbs_deb_11d("11D: Fail to enable 11D \n");
-
-	return 0;
-}
-
 /**
  *  @brief This function sets DOMAIN INFO to FW
  *  @param priv       pointer to wlan_private
@@ -577,31 +558,6 @@ done:
 	return 0;
 }
 
-/**
- *  @brief This function implements private cmd: enable/disable 11D
- *  @param priv    pointer to wlan_private
- *  @param wrq     pointer to user data
- *  @return 	   0 or -1
- */
-int libertas_cmd_enable_11d(wlan_private * priv, struct iwreq *wrq)
-{
-	int data = 0;
-	int *val;
-
-	lbs_deb_enter(LBS_DEB_11D);
-	data = SUBCMD_DATA(wrq);
-
-	lbs_deb_11d("enable 11D: %s\n",
-	       (data == 1) ? "enable" : "Disable");
-
-	wlan_enable_11d(priv, data);
-	val = (int *)wrq->u.name;
-	*val = priv->adapter->enable11d;
-
-	lbs_deb_enter(LBS_DEB_11D);
-	return 0;
-}
-
 /**
  *  @brief This function parses countryinfo from AP and download country info to FW
  *  @param priv    pointer to wlan_private

drivers/net/wireless/libertas/11d.h

@@ -83,8 +83,6 @@ u8 libertas_get_scan_type_11d(u8 chan,
 
 u32 libertas_chan_2_freq(u8 chan, u8 band);
 
-enum state_11d libertas_get_state_11d(wlan_private * priv);
-
 void libertas_init_11d(wlan_private * priv);
 
 int libertas_set_universaltable(wlan_private * priv, u8 band);
@@ -93,8 +91,6 @@ int libertas_cmd_802_11d_domain_info(wlan_private * priv,
 				 struct cmd_ds_command *cmd, u16 cmdno,
 				 u16 cmdOption);
 
-int libertas_cmd_enable_11d(wlan_private * priv, struct iwreq *wrq);
-
 int libertas_ret_802_11d_domain_info(wlan_private * priv,
 				 struct cmd_ds_command *resp);
 

drivers/net/wireless/libertas/cmd.c

@@ -1045,7 +1045,7 @@ done:
 	return;
 }
 
-void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
+static void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
 {
 	unsigned long flags;
 

drivers/net/wireless/libertas/decl.h

@@ -15,14 +15,9 @@ struct wlan_private;
 struct sk_buff;
 struct net_device;
 
-extern char *libertas_fw_name;
-
-void libertas_free_adapter(wlan_private * priv);
 int libertas_set_mac_packet_filter(wlan_private * priv);
 
-int libertas_send_null_packet(wlan_private * priv, u8 pwr_mgmt);
 void libertas_send_tx_feedback(wlan_private * priv);
-u8 libertas_check_last_packet_indication(wlan_private * priv);
 
 int libertas_free_cmd_buffer(wlan_private * priv);
 struct cmd_ctrl_node;
@@ -53,8 +48,6 @@ void libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb);
 /** The proc fs interface */
 int libertas_process_rx_command(wlan_private * priv);
 int libertas_process_tx(wlan_private * priv, struct sk_buff *skb);
-void libertas_cleanup_and_insert_cmd(wlan_private * priv,
-					struct cmd_ctrl_node *ptempcmd);
 void __libertas_cleanup_and_insert_cmd(wlan_private * priv,
 					struct cmd_ctrl_node *ptempcmd);
 

drivers/net/wireless/libertas/if_usb.c

@@ -22,7 +22,7 @@
 static const char usbdriver_name[] = "usb8xxx";
 static u8 *default_fw_name = "usb8388.bin";
 
-char *libertas_fw_name = NULL;
+static char *libertas_fw_name = NULL;
 module_param_named(fw_name, libertas_fw_name, charp, 0644);
 
 /*
@@ -51,6 +51,8 @@ static int if_usb_prog_firmware(wlan_private *);
 static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb);
 static int if_usb_get_int_status(wlan_private * priv, u8 *);
 static int if_usb_read_event_cause(wlan_private *);
+static int usb_tx_block(wlan_private *priv, u8 *payload, u16 nb);
+static void if_usb_free(struct usb_card_rec *cardp);
 
 /**
  *  @brief  call back function to handle the status of the URB
@@ -92,7 +94,7 @@ static void if_usb_write_bulk_callback(struct urb *urb)
  *  @param cardp	pointer usb_card_rec
  *  @return 	   	N/A
  */
-void if_usb_free(struct usb_card_rec *cardp)
+static void if_usb_free(struct usb_card_rec *cardp)
 {
 	lbs_deb_enter(LBS_DEB_USB);
 
@@ -384,7 +386,7 @@ static int if_usb_reset_device(wlan_private *priv)
  *  @param nb		data length
  *  @return 	   	0 or -1
  */
-int usb_tx_block(wlan_private * priv, u8 * payload, u16 nb)
+static int usb_tx_block(wlan_private * priv, u8 * payload, u16 nb)
 {
 	/* pointer to card structure */
 	struct usb_card_rec *cardp = priv->card;

drivers/net/wireless/libertas/if_usb.h

@@ -102,7 +102,4 @@ struct fwsyncheader {
 #define FW_DATA_XMIT_SIZE \
 	sizeof(struct fwheader) + le32_to_cpu(fwdata->fwheader.datalength) + sizeof(u32)
 
-int usb_tx_block(wlan_private *priv, u8 *payload, u16 nb);
-void if_usb_free(struct usb_card_rec *cardp);
-
 #endif

drivers/net/wireless/libertas/join.c

@@ -112,20 +112,6 @@ void libertas_unset_basic_rate_flags(u8 * rates, size_t len)
 }
 
 
-int libertas_send_deauth(wlan_private * priv)
-{
-	wlan_adapter *adapter = priv->adapter;
-	int ret = 0;
-
-	if (adapter->mode == IW_MODE_INFRA &&
-	    adapter->connect_status == LIBERTAS_CONNECTED)
-		ret = libertas_send_deauthentication(priv);
-	else
-		ret = -ENOTSUPP;
-
-	return ret;
-}
-
 /**
  *  @brief Associate to a specific BSS discovered in a scan
  *

drivers/net/wireless/libertas/join.h

@@ -12,44 +12,39 @@
 #include "dev.h"
 
 struct cmd_ds_command;
-extern int libertas_cmd_80211_authenticate(wlan_private * priv,
+int libertas_cmd_80211_authenticate(wlan_private * priv,
 					struct cmd_ds_command *cmd,
 					void *pdata_buf);
-extern int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
+int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
 				       struct cmd_ds_command *cmd,
 				       void *pdata_buf);
-extern int libertas_cmd_80211_ad_hoc_stop(wlan_private * priv,
+int libertas_cmd_80211_ad_hoc_stop(wlan_private * priv,
 				       struct cmd_ds_command *cmd);
-extern int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
+int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
 					struct cmd_ds_command *cmd,
 					void *pdata_buf);
-extern int libertas_cmd_80211_deauthenticate(wlan_private * priv,
+int libertas_cmd_80211_deauthenticate(wlan_private * priv,
 					  struct cmd_ds_command *cmd);
-extern int libertas_cmd_80211_associate(wlan_private * priv,
+int libertas_cmd_80211_associate(wlan_private * priv,
 				     struct cmd_ds_command *cmd,
 				     void *pdata_buf);
 
-extern int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
+int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
 					struct cmd_ds_command *resp);
-extern int libertas_ret_80211_ad_hoc_stop(wlan_private * priv,
+int libertas_ret_80211_ad_hoc_stop(wlan_private * priv,
 				       struct cmd_ds_command *resp);
-extern int libertas_ret_80211_disassociate(wlan_private * priv,
+int libertas_ret_80211_disassociate(wlan_private * priv,
 					struct cmd_ds_command *resp);
-extern int libertas_ret_80211_associate(wlan_private * priv,
+int libertas_ret_80211_associate(wlan_private * priv,
 				     struct cmd_ds_command *resp);
 
-extern int libertas_reassociation_thread(void *data);
-
-extern int libertas_start_adhoc_network(wlan_private * priv,
+int libertas_start_adhoc_network(wlan_private * priv,
 			     struct assoc_request * assoc_req);
-extern int libertas_join_adhoc_network(wlan_private * priv,
+int libertas_join_adhoc_network(wlan_private * priv,
 				struct assoc_request * assoc_req);
-extern int libertas_stop_adhoc_network(wlan_private * priv);
-
-extern int libertas_send_deauthentication(wlan_private * priv);
-extern int libertas_send_deauth(wlan_private * priv);
+int libertas_stop_adhoc_network(wlan_private * priv);
 
-extern int libertas_do_adhocstop_ioctl(wlan_private * priv);
+int libertas_send_deauthentication(wlan_private * priv);
 
 int wlan_associate(wlan_private * priv, struct assoc_request * assoc_req);
 

drivers/net/wireless/libertas/main.c

@@ -890,6 +890,31 @@ static void command_timer_fn(unsigned long data)
 	return;
 }
 
+static void libertas_free_adapter(wlan_private * priv)
+{
+	wlan_adapter *adapter = priv->adapter;
+
+	if (!adapter) {
+		lbs_deb_fw("why double free adapter?\n");
+		return;
+	}
+
+	lbs_deb_fw("free command buffer\n");
+	libertas_free_cmd_buffer(priv);
+
+	lbs_deb_fw("free command_timer\n");
+	del_timer(&adapter->command_timer);
+
+	lbs_deb_fw("free scan results table\n");
+	kfree(adapter->networks);
+	adapter->networks = NULL;
+
+	/* Free the adapter object itself */
+	lbs_deb_fw("free adapter\n");
+	kfree(adapter);
+	priv->adapter = NULL;
+}
+
 static int wlan_allocate_adapter(wlan_private * priv)
 {
 	size_t bufsize;
@@ -1009,31 +1034,6 @@ static void wlan_init_adapter(wlan_private * priv)
 	return;
 }
 
-void libertas_free_adapter(wlan_private * priv)
-{
-	wlan_adapter *adapter = priv->adapter;
-
-	if (!adapter) {
-		lbs_deb_fw("why double free adapter?\n");
-		return;
-	}
-
-	lbs_deb_fw("free command buffer\n");
-	libertas_free_cmd_buffer(priv);
-
-	lbs_deb_fw("free command_timer\n");
-	del_timer(&adapter->command_timer);
-
-	lbs_deb_fw("free scan results table\n");
-	kfree(adapter->networks);
-	adapter->networks = NULL;
-
-	/* Free the adapter object itself */
-	lbs_deb_fw("free adapter\n");
-	kfree(adapter);
-	priv->adapter = NULL;
-}
-
 static int libertas_init_fw(wlan_private * priv)
 {
 	int ret = -1;

drivers/net/wireless/libertas/scan.c

@@ -1254,7 +1254,7 @@ out:
  *
  *  @return         index in BSSID list
  */
-struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
+static struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
 		u8 mode)
 {
 	u8 bestrssi = 0;
@@ -1386,39 +1386,6 @@ out:
 	return ret;
 }
 
-/**
- *  @brief scan an AP with specific BSSID
- *
- *  @param priv             A pointer to wlan_private structure
- *  @param bssid            A pointer to AP's bssid
- *  @param keeppreviousscan Flag used to save/clear scan table before scan
- *
- *  @return          0-success, otherwise fail
- */
-int libertas_send_specific_bssid_scan(wlan_private * priv, u8 * bssid, u8 clear_bssid)
-{
-	struct wlan_ioctl_user_scan_cfg scancfg;
-
-	lbs_deb_enter(LBS_DEB_ASSOC);
-
-	if (bssid == NULL)
-		goto out;
-
-	memset(&scancfg, 0x00, sizeof(scancfg));
-	memcpy(scancfg.bssid, bssid, ETH_ALEN);
-	scancfg.clear_bssid = clear_bssid;
-
-	wlan_scan_networks(priv, &scancfg, 1);
-	if (priv->adapter->surpriseremoved)
-		return -1;
-	wait_event_interruptible(priv->adapter->cmd_pending,
-		!priv->adapter->nr_cmd_pending);
-
-out:
-	lbs_deb_leave(LBS_DEB_ASSOC);
-	return 0;
-}
-
 static inline char *libertas_translate_scan(wlan_private *priv,
 					char *start, char *stop,
 					struct bss_descriptor *bss)

drivers/net/wireless/libertas/scan.h

@@ -175,31 +175,26 @@ struct bss_descriptor {
 	struct list_head list;
 };
 
-extern int libertas_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
+int libertas_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
 
 struct bss_descriptor * libertas_find_ssid_in_list(wlan_adapter * adapter,
 			u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
 			int channel);
 
-struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
-			u8 mode);
-
-extern struct bss_descriptor * libertas_find_bssid_in_list(wlan_adapter * adapter,
+struct bss_descriptor * libertas_find_bssid_in_list(wlan_adapter * adapter,
 			u8 * bssid, u8 mode);
 
 int libertas_find_best_network_ssid(wlan_private * priv, u8 *out_ssid,
 			u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
 
-extern int libertas_send_specific_ssid_scan(wlan_private * priv, u8 *ssid,
+int libertas_send_specific_ssid_scan(wlan_private * priv, u8 *ssid,
 				u8 ssid_len, u8 clear_ssid);
-extern int libertas_send_specific_bssid_scan(wlan_private * priv,
-				 u8 * bssid, u8 clear_bssid);
 
-extern int libertas_cmd_80211_scan(wlan_private * priv,
+int libertas_cmd_80211_scan(wlan_private * priv,
 				struct cmd_ds_command *cmd,
 				void *pdata_buf);
 
-extern int libertas_ret_80211_scan(wlan_private * priv,
+int libertas_ret_80211_scan(wlan_private * priv,
 				struct cmd_ds_command *resp);
 
 int wlan_scan_networks(wlan_private * priv,
@@ -211,9 +206,9 @@ struct ifreq;
 struct iw_point;
 struct iw_param;
 struct iw_request_info;
-extern int libertas_get_scan(struct net_device *dev, struct iw_request_info *info,
+int libertas_get_scan(struct net_device *dev, struct iw_request_info *info,
 			 struct iw_point *dwrq, char *extra);
-extern int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
+int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
 			 struct iw_param *vwrq, char *extra);
 
 #endif				/* _WLAN_SCAN_H */

drivers/net/wireless/libertas/wext.c

@@ -157,7 +157,7 @@ static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter,
  *  @option 			Radio Option
  *  @return 	   		0 --success, otherwise fail
  */
-int wlan_radio_ioctl(wlan_private * priv, u8 option)
+static int wlan_radio_ioctl(wlan_private * priv, u8 option)
 {
 	int ret = 0;
 	wlan_adapter *adapter = priv->adapter;

drivers/net/wireless/libertas/wext.h

@@ -4,9 +4,6 @@
 #ifndef	_WLAN_WEXT_H_
 #define	_WLAN_WEXT_H_
 
-#define SUBCMD_OFFSET			4
-#define SUBCMD_DATA(x)			*((int *)(x->u.name + SUBCMD_OFFSET))
-
 /** wlan_ioctl_regrdwr */
 struct wlan_ioctl_regrdwr {
 	/** Which register to access */
@@ -25,6 +22,5 @@ struct wlan_ioctl_regrdwr {
 
 extern struct iw_handler_def libertas_handler_def;
 extern struct iw_handler_def mesh_handler_def;
-int wlan_radio_ioctl(wlan_private * priv, u8 option);
 
 #endif				/* _WLAN_WEXT_H_ */