mwifiex: remove wireless.h inclusion and fix resulting bugs

replace IW_MAX_AP & IW_CUSTOM_MAX with local definitions
and remove usage of struct iw_statistics.

Cc: Johannes Berg <[e-mail]>
Signed-off-by: Bing Zhao <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/mwifiex/cfg80211.c

···
 	sinfo->tx_bytes = priv->stats.tx_bytes;
 	sinfo->rx_packets = priv->stats.rx_packets;
 	sinfo->tx_packets = priv->stats.tx_packets;
-	sinfo->signal = priv->w_stats.qual.level;
+	sinfo->signal = priv->qual_level;
 	sinfo->txrate.legacy = rate.rate;
 
 	return ret;

drivers/net/wireless/mwifiex/init.c

···
 	struct mwifiex_bssdescriptor *temp_scan_table;
 
 	/* Allocate buffer to store the BSSID list */
-	buf_size = sizeof(struct mwifiex_bssdescriptor) * IW_MAX_AP;
+	buf_size = sizeof(struct mwifiex_bssdescriptor) * MWIFIEX_MAX_AP;
 	temp_scan_table = kzalloc(buf_size, GFP_KERNEL);
 	if (!temp_scan_table) {
 		dev_err(adapter->dev, "%s: failed to alloc temp_scan_table\n",
···
 
 	adapter->num_in_scan_table = 0;
 	memset(adapter->scan_table, 0,
-	       (sizeof(struct mwifiex_bssdescriptor) * IW_MAX_AP));
+	       (sizeof(struct mwifiex_bssdescriptor) * MWIFIEX_MAX_AP));
 	adapter->scan_probes = 1;
 
 	memset(adapter->bcn_buf, 0, sizeof(adapter->bcn_buf));

drivers/net/wireless/mwifiex/ioctl.h

···
 #ifndef _MWIFIEX_IOCTL_H_
 #define _MWIFIEX_IOCTL_H_
 
-#include <linux/wireless.h>
 #include <net/mac80211.h>
 
 enum {
···
 	u8 value[MAX_EEPROM_DATA];
 };
 
+#define IEEE_MAX_IE_SIZE		256
+
 struct mwifiex_ds_misc_gen_ie {
 	u32 type;
 	u32 len;
-	u8 ie_data[IW_CUSTOM_MAX];
+	u8 ie_data[IEEE_MAX_IE_SIZE];
 };
 
 struct mwifiex_ds_misc_cmd {

drivers/net/wireless/mwifiex/main.h

···
 };
 
 
+#define MWIFIEX_MAX_AP				64
+
 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT	(5 * HZ)
 
 #define MWIFIEX_TIMER_10S			10000
···
 #define MWIFIEX_SUPPORTED_RATES                 14
 
 #define MWIFIEX_SUPPORTED_RATES_EXT             32
-
-#define IEEE_MAX_IE_SIZE			256
 
 struct ieee_types_vendor_specific {
 	struct ieee_types_vendor_header vend_hdr;
···
 	struct dentry *dfs_dev_dir;
 #endif
 	u8 nick_name[16];
-	struct iw_statistics w_stats;
+	u8 qual_level, qual_noise;
 	u16 current_key_index;
 	struct semaphore async_sem;
 	u8 scan_pending_on_block;

drivers/net/wireless/mwifiex/scan.c

···
 
 	if (!keep_previous_scan) {
 		memset(adapter->scan_table, 0x00,
-		       sizeof(struct mwifiex_bssdescriptor) * IW_MAX_AP);
+		       sizeof(struct mwifiex_bssdescriptor) * MWIFIEX_MAX_AP);
 		adapter->num_in_scan_table = 0;
 		adapter->bcn_buf_end = adapter->bcn_buf;
 	}
···
 		scan_rsp = &resp->params.scan_resp;
 
 
-	if (scan_rsp->number_of_sets > IW_MAX_AP) {
+	if (scan_rsp->number_of_sets > MWIFIEX_MAX_AP) {
 		dev_err(adapter->dev, "SCAN_RESP: too many AP returned (%d)\n",
 		       scan_rsp->number_of_sets);
 		ret = -1;
···
 		if (bss_idx == num_in_table) {
 			/* Range check the bss_idx, keep it limited to
 			   the last entry */
-			if (bss_idx == IW_MAX_AP)
+			if (bss_idx == MWIFIEX_MAX_AP)
 				bss_idx--;
 			else
 				num_in_table++;

drivers/net/wireless/mwifiex/sta_event.c

···
 	if (netif_carrier_ok(priv->netdev))
 		netif_carrier_off(priv->netdev);
 	/* Reset wireless stats signal info */
-	priv->w_stats.qual.level = 0;
-	priv->w_stats.qual.noise = 0;
+	priv->qual_level = 0;
+	priv->qual_noise = 0;
 }
 
 /*
···
 		dev_dbg(adapter->dev, "event: BGS_REPORT\n");
 		/* Clear the previous scan result */
 		memset(adapter->scan_table, 0x00,
-		       sizeof(struct mwifiex_bssdescriptor) * IW_MAX_AP);
+		       sizeof(struct mwifiex_bssdescriptor) * MWIFIEX_MAX_AP);
 		adapter->num_in_scan_table = 0;
 		adapter->bcn_buf_end = adapter->bcn_buf;
 		ret = mwifiex_send_cmd_async(priv,

drivers/net/wireless/mwifiex/sta_ioctl.c

···
 
 	if (!status) {
 		if (signal->selector & BCN_RSSI_AVG_MASK)
-			priv->w_stats.qual.level = signal->bcn_rssi_avg;
+			priv->qual_level = signal->bcn_rssi_avg;
 		if (signal->selector & BCN_NF_AVG_MASK)
-			priv->w_stats.qual.noise = signal->bcn_nf_avg;
+			priv->qual_noise = signal->bcn_nf_avg;
 	}
 
 	return status;
···
 mwifiex_get_stats_info(struct mwifiex_private *priv,
 		       struct mwifiex_ds_get_stats *log)
 {
-	int ret;
-
-	ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
+	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
 				    HostCmd_ACT_GEN_GET, 0, log);
-
-	if (!ret) {
-		priv->w_stats.discard.fragment = log->fcs_error;
-		priv->w_stats.discard.retries = log->retry;
-		priv->w_stats.discard.misc = log->ack_failure;
-	}
-
-	return ret;
 }
 
 /*
···
 {
 	struct mwifiex_ds_misc_gen_ie gen_ie;
 
-	if (ie_len > IW_CUSTOM_MAX)
+	if (ie_len > IEEE_MAX_IE_SIZE)
 		return -EFAULT;
 
 	gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;