/drivers/staging/wilc1000/host_interface.c

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#include <linux/slab.h>
#include <linux/time.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/workqueue.h>
#include "host_interface.h"
#include <linux/spinlock.h>
#include <linux/errno.h>
#include "coreconfigurator.h"
#include "wilc_wlan.h"
#include "wilc_wlan_if.h"
#include <linux/etherdevice.h>
#include "wilc_wfi_netdevice.h"

#define HOST_IF_MSG_SCAN                        0
#define HOST_IF_MSG_CONNECT                     1
#define HOST_IF_MSG_RCVD_GNRL_ASYNC_INFO        2
#define HOST_IF_MSG_KEY                         3
#define HOST_IF_MSG_RCVD_NTWRK_INFO             4
#define HOST_IF_MSG_RCVD_SCAN_COMPLETE          5
#define HOST_IF_MSG_CFG_PARAMS                  6
#define HOST_IF_MSG_SET_CHANNEL                 7
#define HOST_IF_MSG_DISCONNECT                  8
#define HOST_IF_MSG_GET_RSSI                    9
#define HOST_IF_MSG_ADD_BEACON                  11
#define HOST_IF_MSG_DEL_BEACON                  12
#define HOST_IF_MSG_ADD_STATION                 13
#define HOST_IF_MSG_DEL_STATION                 14
#define HOST_IF_MSG_EDIT_STATION                15
#define HOST_IF_MSG_SCAN_TIMER_FIRED            16
#define HOST_IF_MSG_CONNECT_TIMER_FIRED         17
#define HOST_IF_MSG_POWER_MGMT                  18
#define HOST_IF_MSG_GET_INACTIVETIME            19
#define HOST_IF_MSG_REMAIN_ON_CHAN              20
#define HOST_IF_MSG_REGISTER_FRAME              21
#define HOST_IF_MSG_LISTEN_TIMER_FIRED          22
#define HOST_IF_MSG_SET_WFIDRV_HANDLER          24
#define HOST_IF_MSG_GET_MAC_ADDRESS             26
#define HOST_IF_MSG_SET_OPERATION_MODE          27
#define HOST_IF_MSG_SET_IPADDRESS               28
#define HOST_IF_MSG_GET_IPADDRESS               29
#define HOST_IF_MSG_GET_STATISTICS              31
#define HOST_IF_MSG_SET_MULTICAST_FILTER        32
#define HOST_IF_MSG_DEL_BA_SESSION              34
#define HOST_IF_MSG_DEL_ALL_STA                 36
#define HOST_IF_MSG_SET_TX_POWER		38
#define HOST_IF_MSG_GET_TX_POWER		39
#define HOST_IF_MSG_EXIT                        100

#define HOST_IF_SCAN_TIMEOUT                    4000
#define HOST_IF_CONNECT_TIMEOUT                 9500

#define BA_SESSION_DEFAULT_BUFFER_SIZE          16
#define BA_SESSION_DEFAULT_TIMEOUT              1000
#define BLOCK_ACK_REQ_SIZE                      0x14
#define FALSE_FRMWR_CHANNEL			100

#define TCP_ACK_FILTER_LINK_SPEED_THRESH	54
#define DEFAULT_LINK_SPEED			72

struct host_if_wpa_attr {
	u8 *key;
	const u8 *mac_addr;
	u8 *seq;
	u8 seq_len;
	u8 index;
	u8 key_len;
	u8 mode;
};

struct host_if_wep_attr {
	u8 *key;
	u8 key_len;
	u8 index;
	u8 mode;
	enum AUTHTYPE auth_type;
};

union host_if_key_attr {
	struct host_if_wep_attr wep;
	struct host_if_wpa_attr wpa;
	struct host_if_pmkid_attr pmkid;
};

struct key_attr {
	enum KEY_TYPE type;
	u8 action;
	union host_if_key_attr attr;
};

struct scan_attr {
	u8 src;
	u8 type;
	u8 *ch_freq_list;
	u8 ch_list_len;
	u8 *ies;
	size_t ies_len;
	wilc_scan_result result;
	void *arg;
	struct hidden_network hidden_network;
};

struct connect_attr {
	u8 *bssid;
	u8 *ssid;
	size_t ssid_len;
	u8 *ies;
	size_t ies_len;
	u8 security;
	wilc_connect_result result;
	void *arg;
	enum AUTHTYPE auth_type;
	u8 ch;
	void *params;
};

struct rcvd_async_info {
	u8 *buffer;
	u32 len;
};

struct channel_attr {
	u8 set_ch;
};

struct beacon_attr {
	u32 interval;
	u32 dtim_period;
	u32 head_len;
	u8 *head;
	u32 tail_len;
	u8 *tail;
};

struct set_multicast {
	bool enabled;
	u32 cnt;
};

struct del_all_sta {
	u8 del_all_sta[MAX_NUM_STA][ETH_ALEN];
	u8 assoc_sta;
};

struct del_sta {
	u8 mac_addr[ETH_ALEN];
};

struct power_mgmt_param {
	bool enabled;
	u32 timeout;
};

struct set_ip_addr {
	u8 *ip_addr;
	u8 idx;
};

struct sta_inactive_t {
	u8 mac[6];
};

struct tx_power {
	u8 tx_pwr;
};

union message_body {
	struct scan_attr scan_info;
	struct connect_attr con_info;
	struct rcvd_net_info net_info;
	struct rcvd_async_info async_info;
	struct key_attr key_info;
	struct cfg_param_attr cfg_info;
	struct channel_attr channel_info;
	struct beacon_attr beacon_info;
	struct add_sta_param add_sta_info;
	struct del_sta del_sta_info;
	struct add_sta_param edit_sta_info;
	struct power_mgmt_param pwr_mgmt_info;
	struct sta_inactive_t mac_info;
	struct set_ip_addr ip_info;
	struct drv_handler drv;
	struct set_multicast multicast_info;
	struct op_mode mode;
	struct get_mac_addr get_mac_info;
	struct ba_session_info session_info;
	struct remain_ch remain_on_ch;
	struct reg_frame reg_frame;
	char *data;
	struct del_all_sta del_all_sta_info;
	struct tx_power tx_power;
};

struct host_if_msg {
	u16 id;
	union message_body body;
	struct wilc_vif *vif;
	struct work_struct work;
};

struct join_bss_param {
	BSSTYPE_T bss_type;
	u8 dtim_period;
	u16 beacon_period;
	u16 cap_info;
	u8 bssid[6];
	char ssid[MAX_SSID_LEN];
	u8 ssid_len;
	u8 supp_rates[MAX_RATES_SUPPORTED + 1];
	u8 ht_capable;
	u8 wmm_cap;
	u8 uapsd_cap;
	bool rsn_found;
	u8 rsn_grp_policy;
	u8 mode_802_11i;
	u8 rsn_pcip_policy[3];
	u8 rsn_auth_policy[3];
	u8 rsn_cap[2];
	u32 tsf;
	u8 noa_enabled;
	u8 opp_enabled;
	u8 ct_window;
	u8 cnt;
	u8 idx;
	u8 duration[4];
	u8 interval[4];
	u8 start_time[4];
};

static struct host_if_drv *terminated_handle;
bool wilc_optaining_ip;
static u8 P2P_LISTEN_STATE;
static struct workqueue_struct *hif_workqueue;
static struct completion hif_thread_comp;
static struct completion hif_driver_comp;
static struct completion hif_wait_response;
static struct mutex hif_deinit_lock;
static struct timer_list periodic_rssi;

u8 wilc_multicast_mac_addr_list[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];

static u8 rcv_assoc_resp[MAX_ASSOC_RESP_FRAME_SIZE];

static bool scan_while_connected;

static s8 rssi;
static u8 set_ip[2][4];
static u8 get_ip[2][4];
static u32 inactive_time;
static u8 del_beacon;
static u32 clients_count;

static u8 *join_req;
static u8 *info_element;
static u8 mode_11i;
static u8 auth_type;
static u32 join_req_size;
static u32 info_element_size;
static struct wilc_vif *join_req_vif;
#define REAL_JOIN_REQ 0
#define FLUSHED_JOIN_REQ 1
#define FLUSHED_BYTE_POS 79

static void *host_int_ParseJoinBssParam(struct network_info *ptstrNetworkInfo);
static int host_int_get_ipaddress(struct wilc_vif *vif, u8 *ip_addr, u8 idx);
static s32 Handle_ScanDone(struct wilc_vif *vif, enum scan_event enuEvent);
static void host_if_work(struct work_struct *work);

/*!
 *  @author		syounan
 *  @date		1 Sep 2010
 *  @note		copied from FLO glue implementatuion
 *  @version		1.0
 */
static int wilc_enqueue_cmd(struct host_if_msg *msg)
{
	struct host_if_msg *new_msg;

	new_msg = kmemdup(msg, sizeof(*new_msg), GFP_ATOMIC);
	if (!new_msg)
		return -ENOMEM;

	INIT_WORK(&new_msg->work, host_if_work);
	queue_work(hif_workqueue, &new_msg->work);
	return 0;
}


/* The u8IfIdx starts from 0 to NUM_CONCURRENT_IFC -1, but 0 index used as
 * special purpose in wilc device, so we add 1 to the index to starts from 1.
 * As a result, the returned index will be 1 to NUM_CONCURRENT_IFC.
 */
int wilc_get_vif_idx(struct wilc_vif *vif)
{
	return vif->idx + 1;
}

/* We need to minus 1 from idx which is from wilc device to get real index
 * of wilc->vif[], because we add 1 when pass to wilc device in the function
 * wilc_get_vif_idx.
 * As a result, the index should be between 0 and NUM_CONCURRENT_IFC -1.
 */
static struct wilc_vif *wilc_get_vif_from_idx(struct wilc *wilc, int idx)
{
	int index = idx - 1;

	if (index < 0 || index >= NUM_CONCURRENT_IFC)
		return NULL;

	return wilc->vif[index];
}

static void handle_set_channel(struct wilc_vif *vif,
			       struct channel_attr *hif_set_ch)
{
	int ret = 0;
	struct wid wid;

	wid.id = (u16)WID_CURRENT_CHANNEL;
	wid.type = WID_CHAR;
	wid.val = (char *)&hif_set_ch->set_ch;
	wid.size = sizeof(char);

	ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
				   wilc_get_vif_idx(vif));

	if (ret)
		netdev_err(vif->ndev, "Failed to set channel\n");
}

static void handle_set_wfi_drv_handler(struct wilc_vif *vif,
				       struct drv_handler *hif_drv_handler)
{
	int ret = 0;
	struct wid wid;

	wid.id = (u16)WID_SET_DRV_HANDLER;
	wid.type = WID_STR;
	wid.val = (s8 *)hif_drv_handler;
	wid.size = sizeof(*hif_drv_handler);

	ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
				   hif_drv_handler->handler);

	if (!hif_drv_handler->handler)
		complete(&hif_driver_comp);

	if (ret)
		netdev_err(vif->ndev, "Failed to set driver handler\n");
}

static void handle_set_operation_mode(struct wilc_vif *vif,
				      struct op_mode *hif_op_mode)
{
	int ret = 0;
	struct wid wid;

	wid.id = (u16)WID_SET_OPERATION_MODE;
	wid.type = WID_INT;
	wid.val = (s8 *)&hif_op_mode->mode;
	wid.size = sizeof(u32);

	ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
				   wilc_get_vif_idx(vif));

	if ((hif_op_mode->mode) == IDLE_MODE)
		complete(&hif_driver_comp);

	if (ret)
		netdev_err(vif->ndev, "Failed to set driver handler\n");
}

static void handle_set_ip_address(struct wilc_vif *vif, u8 *ip_addr, u8 idx)
{
	int ret = 0;
	struct wid wid;
	char firmware_ip_addr[4] = {0};

	if (ip_addr[0] < 192)
		ip_addr[0] = 0;

	memcpy(set_ip[idx], ip_addr, IP_ALEN);

	wid.id = (u16)WID_IP_ADDRESS;
	wid.type = WID_STR;
	wid.val = (u8 *)ip_addr;
	wid.size = IP_ALEN;

	ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
				   wilc_get_vif_idx(vif));

	host_int_get_ipaddress(vif, firmware_ip_addr, idx);

	if (ret)
		netdev_err(vif->ndev, "Failed to set IP address\n");
}

static void handle_get_ip_address(struct wilc_vif *vif, u8 idx)
{
	int ret = 0;
	struct wid wid;

	wid.id = (u16)WID_IP_ADDRESS;
	wid.type = WID_STR;
	wid.val = kmalloc(IP_ALEN, GFP_KERNEL);
	wid.size = IP_ALEN;

	ret = wilc_send_config_pkt(vif, GET_CFG, &wid, 1,
				   wilc_get_vif_idx(vif));

	memcpy(get_ip[idx], wid.val, IP_ALEN);

	kfree(wid.val);

	if (memcmp(get_ip[idx], set_ip[idx], IP_ALEN) != 0)
		wilc_setup_ipaddress(vif, set_ip[idx], idx);

	if (ret)
		netdev_err(vif->ndev, "Failed to get IP address\n");
}

static void handle_get_mac_address(struct wilc_vif *vif,
				   struct get_mac_addr *get_mac_addr)
{
	int ret = 0;
	struct wid wid;

	wid.id = (u16)WID_MAC_ADDR;
	wid.type = WID_STR;
	wid.val = get_mac_addr->mac_addr;
	wid.size = ETH_ALEN;

	ret = wilc_send_config_pkt(vif, GET_CFG, &wid, 1,
				   wilc_get_vif_idx(vif));

	if (ret)
		netdev_err(vif->ndev, "Failed to get mac address\n");
	complete(&hif_wait_response);
}

static void handle_cfg_param(struct wilc_vif *vif,
			     struct cfg_param_attr *cfg_param_attr)
{
	int ret = 0;
	struct wid wid_list[32];
	struct host_if_drv *hif_drv = vif->hif_drv;
	int i = 0;

	mutex_lock(&hif_drv->cfg_values_lock);

	if (cfg_param_attr->flag & BSS_TYPE) {
		u8 bss_type = cfg_param_attr->bss_type;

		if (bss_type < 6) {
			wid_list[i].id = WID_BSS_TYPE;
			wid_list[i].val = (s8 *)&bss_type;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.bss_type = bss_type;
		} else {
			netdev_err(vif->ndev, "check value 6 over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & AUTH_TYPE) {
		if (cfg_param_attr->auth_type == 1 ||
		    cfg_param_attr->auth_type == 2 ||
		    cfg_param_attr->auth_type == 5) {
			wid_list[i].id = WID_AUTH_TYPE;
			wid_list[i].val = (s8 *)&cfg_param_attr->auth_type;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.auth_type = (u8)cfg_param_attr->auth_type;
		} else {
			netdev_err(vif->ndev, "Impossible value\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & AUTHEN_TIMEOUT) {
		if (cfg_param_attr->auth_timeout > 0 &&
		    cfg_param_attr->auth_timeout < 65536) {
			wid_list[i].id = WID_AUTH_TIMEOUT;
			wid_list[i].val = (s8 *)&cfg_param_attr->auth_timeout;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.auth_timeout = cfg_param_attr->auth_timeout;
		} else {
			netdev_err(vif->ndev, "Range(1 ~ 65535) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & POWER_MANAGEMENT) {
		if (cfg_param_attr->power_mgmt_mode < 5) {
			wid_list[i].id = WID_POWER_MANAGEMENT;
			wid_list[i].val = (s8 *)&cfg_param_attr->power_mgmt_mode;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.power_mgmt_mode = (u8)cfg_param_attr->power_mgmt_mode;
		} else {
			netdev_err(vif->ndev, "Invalid power mode\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & RETRY_SHORT) {
		if (cfg_param_attr->short_retry_limit > 0 &&
		    cfg_param_attr->short_retry_limit < 256) {
			wid_list[i].id = WID_SHORT_RETRY_LIMIT;
			wid_list[i].val = (s8 *)&cfg_param_attr->short_retry_limit;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.short_retry_limit = cfg_param_attr->short_retry_limit;
		} else {
			netdev_err(vif->ndev, "Range(1~256) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & RETRY_LONG) {
		if (cfg_param_attr->long_retry_limit > 0 &&
		    cfg_param_attr->long_retry_limit < 256) {
			wid_list[i].id = WID_LONG_RETRY_LIMIT;
			wid_list[i].val = (s8 *)&cfg_param_attr->long_retry_limit;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.long_retry_limit = cfg_param_attr->long_retry_limit;
		} else {
			netdev_err(vif->ndev, "Range(1~256) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & FRAG_THRESHOLD) {
		if (cfg_param_attr->frag_threshold > 255 &&
		    cfg_param_attr->frag_threshold < 7937) {
			wid_list[i].id = WID_FRAG_THRESHOLD;
			wid_list[i].val = (s8 *)&cfg_param_attr->frag_threshold;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.frag_threshold = cfg_param_attr->frag_threshold;
		} else {
			netdev_err(vif->ndev, "Threshold Range fail\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & RTS_THRESHOLD) {
		if (cfg_param_attr->rts_threshold > 255 &&
		    cfg_param_attr->rts_threshold < 65536) {
			wid_list[i].id = WID_RTS_THRESHOLD;
			wid_list[i].val = (s8 *)&cfg_param_attr->rts_threshold;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.rts_threshold = cfg_param_attr->rts_threshold;
		} else {
			netdev_err(vif->ndev, "Threshold Range fail\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & PREAMBLE) {
		if (cfg_param_attr->preamble_type < 3) {
			wid_list[i].id = WID_PREAMBLE;
			wid_list[i].val = (s8 *)&cfg_param_attr->preamble_type;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.preamble_type = cfg_param_attr->preamble_type;
		} else {
			netdev_err(vif->ndev, "Preamle Range(0~2) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & SHORT_SLOT_ALLOWED) {
		if (cfg_param_attr->short_slot_allowed < 2) {
			wid_list[i].id = WID_SHORT_SLOT_ALLOWED;
			wid_list[i].val = (s8 *)&cfg_param_attr->short_slot_allowed;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.short_slot_allowed = (u8)cfg_param_attr->short_slot_allowed;
		} else {
			netdev_err(vif->ndev, "Short slot(2) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & TXOP_PROT_DISABLE) {
		if (cfg_param_attr->txop_prot_disabled < 2) {
			wid_list[i].id = WID_11N_TXOP_PROT_DISABLE;
			wid_list[i].val = (s8 *)&cfg_param_attr->txop_prot_disabled;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.txop_prot_disabled = (u8)cfg_param_attr->txop_prot_disabled;
		} else {
			netdev_err(vif->ndev, "TXOP prot disable\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & BEACON_INTERVAL) {
		if (cfg_param_attr->beacon_interval > 0 &&
		    cfg_param_attr->beacon_interval < 65536) {
			wid_list[i].id = WID_BEACON_INTERVAL;
			wid_list[i].val = (s8 *)&cfg_param_attr->beacon_interval;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.beacon_interval = cfg_param_attr->beacon_interval;
		} else {
			netdev_err(vif->ndev, "Beacon interval(1~65535)fail\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & DTIM_PERIOD) {
		if (cfg_param_attr->dtim_period > 0 &&
		    cfg_param_attr->dtim_period < 256) {
			wid_list[i].id = WID_DTIM_PERIOD;
			wid_list[i].val = (s8 *)&cfg_param_attr->dtim_period;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.dtim_period = cfg_param_attr->dtim_period;
		} else {
			netdev_err(vif->ndev, "DTIM range(1~255) fail\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & SITE_SURVEY) {
		if (cfg_param_attr->site_survey_enabled < 3) {
			wid_list[i].id = WID_SITE_SURVEY;
			wid_list[i].val = (s8 *)&cfg_param_attr->site_survey_enabled;
			wid_list[i].type = WID_CHAR;
			wid_list[i].size = sizeof(char);
			hif_drv->cfg_values.site_survey_enabled = (u8)cfg_param_attr->site_survey_enabled;
		} else {
			netdev_err(vif->ndev, "Site survey disable\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & SITE_SURVEY_SCAN_TIME) {
		if (cfg_param_attr->site_survey_scan_time > 0 &&
		    cfg_param_attr->site_survey_scan_time < 65536) {
			wid_list[i].id = WID_SITE_SURVEY_SCAN_TIME;
			wid_list[i].val = (s8 *)&cfg_param_attr->site_survey_scan_time;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.site_survey_scan_time = cfg_param_attr->site_survey_scan_time;
		} else {
			netdev_err(vif->ndev, "Site scan time(1~65535) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & ACTIVE_SCANTIME) {
		if (cfg_param_attr->active_scan_time > 0 &&
		    cfg_param_attr->active_scan_time < 65536) {
			wid_list[i].id = WID_ACTIVE_SCAN_TIME;
			wid_list[i].val = (s8 *)&cfg_param_attr->active_scan_time;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.active_scan_time = cfg_param_attr->active_scan_time;
		} else {
			netdev_err(vif->ndev, "Active time(1~65535) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & PASSIVE_SCANTIME) {
		if (cfg_param_attr->passive_scan_time > 0 &&
		    cfg_param_attr->passive_scan_time < 65536) {
			wid_list[i].id = WID_PASSIVE_SCAN_TIME;
			wid_list[i].val = (s8 *)&cfg_param_attr->passive_scan_time;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.passive_scan_time = cfg_param_attr->passive_scan_time;
		} else {
			netdev_err(vif->ndev, "Passive time(1~65535) over\n");
			goto unlock;
		}
		i++;
	}
	if (cfg_param_attr->flag & CURRENT_TX_RATE) {
		enum CURRENT_TXRATE curr_tx_rate = cfg_param_attr->curr_tx_rate;

		if (curr_tx_rate == AUTORATE || curr_tx_rate == MBPS_1 ||
		    curr_tx_rate == MBPS_2 || curr_tx_rate == MBPS_5_5 ||
		    curr_tx_rate == MBPS_11 || curr_tx_rate == MBPS_6 ||
		    curr_tx_rate == MBPS_9 || curr_tx_rate == MBPS_12 ||
		    curr_tx_rate == MBPS_18 || curr_tx_rate == MBPS_24 ||
		    curr_tx_rate == MBPS_36 || curr_tx_rate == MBPS_48 ||
		    curr_tx_rate == MBPS_54) {
			wid_list[i].id = WID_CURRENT_TX_RATE;
			wid_list[i].val = (s8 *)&curr_tx_rate;
			wid_list[i].type = WID_SHORT;
			wid_list[i].size = sizeof(u16);
			hif_drv->cfg_values.curr_tx_rate = (u8)curr_tx_rate;
		} else {
			netdev_err(vif->ndev, "out of TX rate\n");
			goto unlock;
		}
		i++;
	}

	ret = wilc_send_config_pkt(vif, SET_CFG, wid_list,
				   i, wilc_get_vif_idx(vif));

	if (ret)
		netdev_err(vif->ndev, "Error in setting CFG params\n");

unlock:
	mutex_unlock(&hif_drv->cfg_values_lock);
}

static s32 handle_scan(struct wilc_vif *vif, struct scan_attr *scan_info)
{
	s32 result = 0;
	struct wid wid_list[5];
	u32 index = 0;
	u32 i;
	u8 *buffer;
	u8 valuesize = 0;
	u8 *pu8HdnNtwrksWidVal = NULL;
	struct host_if_drv *hif_drv = vif->hif_drv;

	hif_drv->usr_scan_req.scan_result = scan_info->result;
	hif_drv->usr_scan_req.arg = scan_info->arg;

	if ((hif_drv->hif_state >= HOST_IF_SCANNING) &&
	    (hif_drv->hif_state < HOST_IF_CONNECTED)) {
		netdev_err(vif->ndev, "Already scan\n");
		result = -EBUSY;
		goto ERRORHANDLER;
	}

	if (wilc_optaining_ip || wilc_connecting) {
		netdev_err(vif->ndev, "Don't do obss scan\n");
		result = -EBUSY;
		goto ERRORHANDLER;
	}

	hif_drv->usr_scan_req.rcvd_ch_cnt = 0;

	wid_list[index].id = (u16)WID_SSID_PROBE_REQ;
	wid_list[index].type = WID_STR;

	for (i = 0; i < scan_info->hidden_network.n_ssids; i++)
		valuesize += ((scan_info->hidden_network.net_info[i].ssid_len) + 1);
	pu8HdnNtwrksWidVal = kmalloc(valuesize + 1, GFP_KERNEL);
	wid_list[index].val = pu8HdnNtwrksWidVal;
	if (wid_list[index].val) {
		buffer = wid_list[index].val;

		*buffer++ = scan_info->hidden_network.n_ssids;

		for (i = 0; i < scan_info->hidden_network.n_ssids; i++) {
			*buffer++ = scan_info->hidden_network.net_info[i].ssid_len;
			memcpy(buffer, scan_info->hidden_network.net_info[i].ssid, scan_info->hidden_network.net_info[i].ssid_len);
			buffer += scan_info->hidden_network.net_info[i].ssid_len;
		}

		wid_list[index].size = (s32)(valuesize + 1);
		index++;
	}

	wid_list[index].id = WID_INFO_ELEMENT_PROBE;
	wid_list[index].type = WID_BIN_DATA;
	wid_list[index].val = scan_info->ies;
	wid_list[index].size = scan_info->ies_len;
	index++;

	wid_list[index].id = WID_SCAN_TYPE;
	wid_list[index].type = WID_CHAR;
	wid_list[index].size = sizeof(char);
	wid_list[index].val = (s8 *)&scan_info->type;
	index++;

	wid_list[index].id = WID_SCAN_CHANNEL_LIST;
	wid_list[index].type = WID_BIN_DATA;

	if (scan_info->ch_freq_list &&
	    scan_info->ch_list_len > 0) {
		int i;

		for (i = 0; i < scan_info->ch_list_len; i++)	{
			if (scan_info->ch_freq_list[i] > 0)
				scan_info->ch_freq_list[i] = scan_info->ch_freq_list[i] - 1;
		}
	}

	wid_list[index].val = scan_info->ch_freq_list;
	wid_list[index].size = scan_info->ch_list_len;
	index++;

	wid_list[index].id = WID_START_SCAN_REQ;
	wid_list[index].type = WID_CHAR;
	wid_list[index].size = sizeof(char);
	wid_list[index].val = (s8 *)&scan_info->src;
	index++;

	if (hif_drv->hif_state == HOST_IF_CONNECTED)
		scan_while_connected = true;
	else if (hif_drv->hif_state == HOST_IF_IDLE)
		scan_while_connected = false;

	result = wilc_send_config_pkt(vif, SET_CFG, wid_list,
				      index,
				      wilc_get_vif_idx(vif));

	if (result)
		netdev_err(vif->ndev, "Failed to send scan parameters\n");

ERRORHANDLER:
	if (result) {
		del_timer(&hif_drv->scan_timer);
		Handle_ScanDone(vif, SCAN_EVENT_ABORTED);
	}

	kfree(scan_info->ch_freq_list);
	scan_info->ch_freq_list = NULL;

	kfree(scan_info->ies);
	scan_info->ies = NULL;
	kfree(scan_info->hidden_network.net_info);
	scan_info->hidden_network.net_info = NULL;

	kfree(pu8HdnNtwrksWidVal);

	return result;
}

static s32 Handle_ScanDone(struct wilc_vif *vif,
			   enum scan_event enuEvent)
{
	s32 result = 0;
	u8 u8abort_running_scan;
	struct wid wid;
	struct host_if_drv *hif_drv = vif->hif_drv;

	if (enuEvent == SCAN_EVENT_ABORTED) {
		u8abort_running_scan = 1;
		wid.id = (u16)WID_ABORT_RUNNING_SCAN;
		wid.type = WID_CHAR;
		wid.val = (s8 *)&u8abort_running_scan;
		wid.size = sizeof(char);

		result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
					      wilc_get_vif_idx(vif));

		if (result) {
			netdev_err(vif->ndev, "Failed to set abort running\n");
			result = -EFAULT;
		}
	}

	if (!hif_drv) {
		netdev_err(vif->ndev, "Driver handler is NULL\n");
		return result;
	}

	if (hif_drv->usr_scan_req.scan_result) {
		hif_drv->usr_scan_req.scan_result(enuEvent, NULL,
						  hif_drv->usr_scan_req.arg, NULL);
		hif_drv->usr_scan_req.scan_result = NULL;
	}

	return result;
}

u8 wilc_connected_ssid[6] = {0};
static s32 Handle_Connect(struct wilc_vif *vif,
			  struct connect_attr *pstrHostIFconnectAttr)
{
	s32 result = 0;
	struct wid strWIDList[8];
	u32 u32WidsCount = 0, dummyval = 0;
	u8 *pu8CurrByte = NULL;
	struct join_bss_param *ptstrJoinBssParam;
	struct host_if_drv *hif_drv = vif->hif_drv;

	if (memcmp(pstrHostIFconnectAttr->bssid, wilc_connected_ssid, ETH_ALEN) == 0) {
		result = 0;
		netdev_err(vif->ndev, "Discard connect request\n");
		return result;
	}

	ptstrJoinBssParam = pstrHostIFconnectAttr->params;
	if (!ptstrJoinBssParam) {
		netdev_err(vif->ndev, "Required BSSID not found\n");
		result = -ENOENT;
		goto ERRORHANDLER;
	}

	if (pstrHostIFconnectAttr->bssid) {
		hif_drv->usr_conn_req.bssid = kmalloc(6, GFP_KERNEL);
		memcpy(hif_drv->usr_conn_req.bssid, pstrHostIFconnectAttr->bssid, 6);
	}

	hif_drv->usr_conn_req.ssid_len = pstrHostIFconnectAttr->ssid_len;
	if (pstrHostIFconnectAttr->ssid) {
		hif_drv->usr_conn_req.ssid = kmalloc(pstrHostIFconnectAttr->ssid_len + 1, GFP_KERNEL);
		memcpy(hif_drv->usr_conn_req.ssid,
		       pstrHostIFconnectAttr->ssid,
		       pstrHostIFconnectAttr->ssid_len);
		hif_drv->usr_conn_req.ssid[pstrHostIFconnectAttr->ssid_len] = '\0';
	}

	hif_drv->usr_conn_req.ies_len = pstrHostIFconnectAttr->ies_len;
	if (pstrHostIFconnectAttr->ies) {
		hif_drv->usr_conn_req.ies = kmalloc(pstrHostIFconnectAttr->ies_len, GFP_KERNEL);
		memcpy(hif_drv->usr_conn_req.ies,
		       pstrHostIFconnectAttr->ies,
		       pstrHostIFconnectAttr->ies_len);
	}

	hif_drv->usr_conn_req.security = pstrHostIFconnectAttr->security;
	hif_drv->usr_conn_req.auth_type = pstrHostIFconnectAttr->auth_type;
	hif_drv->usr_conn_req.conn_result = pstrHostIFconnectAttr->result;
	hif_drv->usr_conn_req.arg = pstrHostIFconnectAttr->arg;

	strWIDList[u32WidsCount].id = WID_SUCCESS_FRAME_COUNT;
	strWIDList[u32WidsCount].type = WID_INT;
	strWIDList[u32WidsCount].size = sizeof(u32);
	strWIDList[u32WidsCount].val = (s8 *)(&(dummyval));
	u32WidsCount++;

	strWIDList[u32WidsCount].id = WID_RECEIVED_FRAGMENT_COUNT;
	strWIDList[u32WidsCount].type = WID_INT;
	strWIDList[u32WidsCount].size = sizeof(u32);
	strWIDList[u32WidsCount].val = (s8 *)(&(dummyval));
	u32WidsCount++;

	strWIDList[u32WidsCount].id = WID_FAILED_COUNT;
	strWIDList[u32WidsCount].type = WID_INT;
	strWIDList[u32WidsCount].size = sizeof(u32);
	strWIDList[u32WidsCount].val = (s8 *)(&(dummyval));
	u32WidsCount++;

	{
		strWIDList[u32WidsCount].id = WID_INFO_ELEMENT_ASSOCIATE;
		strWIDList[u32WidsCount].type = WID_BIN_DATA;
		strWIDList[u32WidsCount].val = hif_drv->usr_conn_req.ies;
		strWIDList[u32WidsCount].size = hif_drv->usr_conn_req.ies_len;
		u32WidsCount++;

		if (memcmp("DIRECT-", pstrHostIFconnectAttr->ssid, 7)) {
			info_element_size = hif_drv->usr_conn_req.ies_len;
			info_element = kmalloc(info_element_size, GFP_KERNEL);
			memcpy(info_element, hif_drv->usr_conn_req.ies,
			       info_element_size);
		}
	}
	strWIDList[u32WidsCount].id = (u16)WID_11I_MODE;
	strWIDList[u32WidsCount].type = WID_CHAR;
	strWIDList[u32WidsCount].size = sizeof(char);
	strWIDList[u32WidsCount].val = (s8 *)&hif_drv->usr_conn_req.security;
	u32WidsCount++;

	if (memcmp("DIRECT-", pstrHostIFconnectAttr->ssid, 7))
		mode_11i = hif_drv->usr_conn_req.security;

	strWIDList[u32WidsCount].id = (u16)WID_AUTH_TYPE;
	strWIDList[u32WidsCount].type = WID_CHAR;
	strWIDList[u32WidsCount].size = sizeof(char);
	strWIDList[u32WidsCount].val = (s8 *)&hif_drv->usr_conn_req.auth_type;
	u32WidsCount++;

	if (memcmp("DIRECT-", pstrHostIFconnectAttr->ssid, 7))
		auth_type = (u8)hif_drv->usr_conn_req.auth_type;

	strWIDList[u32WidsCount].id = (u16)WID_JOIN_REQ_EXTENDED;
	strWIDList[u32WidsCount].type = WID_STR;
	strWIDList[u32WidsCount].size = 112;
	strWIDList[u32WidsCount].val = kmalloc(strWIDList[u32WidsCount].size, GFP_KERNEL);

	if (memcmp("DIRECT-", pstrHostIFconnectAttr->ssid, 7)) {
		join_req_size = strWIDList[u32WidsCount].size;
		join_req = kmalloc(join_req_size, GFP_KERNEL);
	}
	if (!strWIDList[u32WidsCount].val) {
		result = -EFAULT;
		goto ERRORHANDLER;
	}

	pu8CurrByte = strWIDList[u32WidsCount].val;

	if (pstrHostIFconnectAttr->ssid) {
		memcpy(pu8CurrByte, pstrHostIFconnectAttr->ssid, pstrHostIFconnectAttr->ssid_len);
		pu8CurrByte[pstrHostIFconnectAttr->ssid_len] = '\0';
	}
	pu8CurrByte += MAX_SSID_LEN;
	*(pu8CurrByte++) = INFRASTRUCTURE;

	if ((pstrHostIFconnectAttr->ch >= 1) && (pstrHostIFconnectAttr->ch <= 14)) {
		*(pu8CurrByte++) = pstrHostIFconnectAttr->ch;
	} else {
		netdev_err(vif->ndev, "Channel out of range\n");
		*(pu8CurrByte++) = 0xFF;
	}
	*(pu8CurrByte++)  = (ptstrJoinBssParam->cap_info) & 0xFF;
	*(pu8CurrByte++)  = ((ptstrJoinBssParam->cap_info) >> 8) & 0xFF;

	if (pstrHostIFconnectAttr->bssid)
		memcpy(pu8CurrByte, pstrHostIFconnectAttr->bssid, 6);
	pu8CurrByte += 6;

	if (pstrHostIFconnectAttr->bssid)
		memcpy(pu8CurrByte, pstrHostIFconnectAttr->bssid, 6);
	pu8CurrByte += 6;

	*(pu8CurrByte++)  = (ptstrJoinBssParam->beacon_period) & 0xFF;
	*(pu8CurrByte++)  = ((ptstrJoinBssParam->beacon_period) >> 8) & 0xFF;
	*(pu8CurrByte++)  =  ptstrJoinBssParam->dtim_period;

	memcpy(pu8CurrByte, ptstrJoinBssParam->supp_rates, MAX_RATES_SUPPORTED + 1);
	pu8CurrByte += (MAX_RATES_SUPPORTED + 1);

	*(pu8CurrByte++)  =  ptstrJoinBssParam->wmm_cap;
	*(pu8CurrByte++)  = ptstrJoinBssParam->uapsd_cap;

	*(pu8CurrByte++)  = ptstrJoinBssParam->ht_capable;
	hif_drv->usr_conn_req.ht_capable = ptstrJoinBssParam->ht_capable;

	*(pu8CurrByte++)  =  ptstrJoinBssParam->rsn_found;
	*(pu8CurrByte++)  =  ptstrJoinBssParam->rsn_grp_policy;
	*(pu8CurrByte++) =  ptstrJoinBssParam->mode_802_11i;

	memcpy(pu8CurrByte, ptstrJoinBssParam->rsn_pcip_policy, sizeof(ptstrJoinBssParam->rsn_pcip_policy));
	pu8CurrByte += sizeof(ptstrJoinBssParam->rsn_pcip_policy);

	memcpy(pu8CurrByte, ptstrJoinBssParam->rsn_auth_policy, sizeof(ptstrJoinBssParam->rsn_auth_policy));
	pu8CurrByte += sizeof(ptstrJoinBssParam->rsn_auth_policy);

	memcpy(pu8CurrByte, ptstrJoinBssParam->rsn_cap, sizeof(ptstrJoinBssParam->rsn_cap));
	pu8CurrByte += sizeof(ptstrJoinBssParam->rsn_cap);

	*(pu8CurrByte++) = REAL_JOIN_REQ;
	*(pu8CurrByte++) = ptstrJoinBssParam->noa_enabled;

	if (ptstrJoinBssParam->noa_enabled) {
		*(pu8CurrByte++) = (ptstrJoinBssParam->tsf) & 0xFF;
		*(pu8CurrByte++) = ((ptstrJoinBssParam->tsf) >> 8) & 0xFF;
		*(pu8CurrByte++) = ((ptstrJoinBssParam->tsf) >> 16) & 0xFF;
		*(pu8CurrByte++) = ((ptstrJoinBssParam->tsf) >> 24) & 0xFF;

		*(pu8CurrByte++) = ptstrJoinBssParam->opp_enabled;
		*(pu8CurrByte++) = ptstrJoinBssParam->idx;

		if (ptstrJoinBssParam->opp_enabled)
			*(pu8CurrByte++) = ptstrJoinBssParam->ct_window;

		*(pu8CurrByte++) = ptstrJoinBssParam->cnt;

		memcpy(pu8CurrByte, ptstrJoinBssParam->duration, sizeof(ptstrJoinBssParam->duration));
		pu8CurrByte += sizeof(ptstrJoinBssParam->duration);

		memcpy(pu8CurrByte, ptstrJoinBssParam->interval, sizeof(ptstrJoinBssParam->interval));
		pu8CurrByte += sizeof(ptstrJoinBssParam->interval);

		memcpy(pu8CurrByte, ptstrJoinBssParam->start_time, sizeof(ptstrJoinBssParam->start_time));
		pu8CurrByte += sizeof(ptstrJoinBssParam->start_time);
	}

	pu8CurrByte = strWIDList[u32WidsCount].val;
	u32WidsCount++;

	if (memcmp("DIRECT-", pstrHostIFconnectAttr->ssid, 7)) {
		memcpy(join_req, pu8CurrByte, join_req_size);
		join_req_vif = vif;
	}

	if (pstrHostIFconnectAttr->bssid)
		memcpy(wilc_connected_ssid,
		       pstrHostIFconnectAttr->bssid, ETH_ALEN);

	result = wilc_send_config_pkt(vif, SET_CFG, strWIDList,
				      u32WidsCount,
				      wilc_get_vif_idx(vif));
	if (result) {
		netdev_err(vif->ndev, "failed to send config packet\n");
		result = -EFAULT;
		goto ERRORHANDLER;
	} else {
		hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
	}

ERRORHANDLER:
	if (result) {
		struct connect_info strConnectInfo;

		del_timer(&hif_drv->connect_timer);

		memset(&strConnectInfo, 0, sizeof(struct connect_info));

		if (pstrHostIFconnectAttr->result) {
			if (pstrHostIFconnectAttr->bssid)
				memcpy(strConnectInfo.bssid, pstrHostIFconnectAttr->bssid, 6);

			if (pstrHostIFconnectAttr->ies) {
				strConnectInfo.req_ies_len = pstrHostIFconnectAttr->ies_len;
				strConnectInfo.req_ies = kmalloc(pstrHostIFconnectAttr->ies_len, GFP_KERNEL);
				memcpy(strConnectInfo.req_ies,
				       pstrHostIFconnectAttr->ies,
				       pstrHostIFconnectAttr->ies_len);
			}

			pstrHostIFconnectAttr->result(CONN_DISCONN_EVENT_CONN_RESP,
							       &strConnectInfo,
							       MAC_DISCONNECTED,
							       NULL,
							       pstrHostIFconnectAttr->arg);
			hif_drv->hif_state = HOST_IF_IDLE;
			kfree(strConnectInfo.req_ies);
			strConnectInfo.req_ies = NULL;

		} else {
			netdev_err(vif->ndev, "Connect callback is NULL\n");
		}
	}

	kfree(pstrHostIFconnectAttr->bssid);
	pstrHostIFconnectAttr->bssid = NULL;

	kfree(pstrHostIFconnectAttr->ssid);
	pstrHostIFconnectAttr->ssid = NULL;

	kfree(pstrHostIFconnectAttr->ies);
	pstrHostIFconnectAttr->ies = NULL;

	kfree(pu8CurrByte);
	return result;
}

static s32 Handle_ConnectTimeout(struct wilc_vif *vif)
{
	s32 result = 0;
	struct connect_info strConnectInfo;
	struct wid wid;
	u16 u16DummyReasonCode = 0;
	struct host_if_drv *hif_drv = vif->hif_drv;

	if (!hif_drv) {
		netdev_err(vif->ndev, "Driver handler is NULL\n");
		return result;
	}

	hif_drv->hif_state = HOST_IF_IDLE;

	scan_while_connected = false;

	memset(&strConnectInfo, 0, sizeof(struct connect_info));

	if (hif_drv->usr_conn_req.conn_result) {
		if (hif_drv->usr_conn_req.bssid) {
			memcpy(strConnectInfo.bssid,
			       hif_drv->usr_conn_req.bssid, 6);
		}

		if (hif_drv->usr_conn_req.ies) {
			strConnectInfo.req_ies_len = hif_drv->usr_conn_req.ies_len;
			strConnectInfo.req_ies = kmalloc(hif_drv->usr_conn_req.ies_len, GFP_KERNEL);
			memcpy(strConnectInfo.req_ies,
			       hif_drv->usr_conn_req.ies,
			       hif_drv->usr_conn_req.ies_len);
		}

		hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
						  &strConnectInfo,
						  MAC_DISCONNECTED,
						  NULL,
						  hif_drv->usr_conn_req.arg);

		kfree(strConnectInfo.req_ies);
		strConnectInfo.req_ies = NULL;
	} else {
		netdev_err(vif->ndev, "Connect callback is NULL\n");
	}

	wid.id = (u16)WID_DISCONNECT;
	wid.type = WID_CHAR;
	wid.val = (s8 *)&u16DummyReasonCode;
	wid.size = sizeof(char);

	result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,
				      wilc_get_vif_idx(vif));
	if (result)
		netdev_err(vif->ndev, "Failed to send dissconect\n");

	hif_drv->usr_conn_req.ssid_len = 0;
	kfree(hif_drv->usr_conn_req.ssid);
	hif_drv->usr_conn_req.ssid = NULL;
	kfree(hif_drv->usr_conn_req.bssid);
	hif_drv->usr_conn_req.bssid = NULL;
	hif_drv->usr_conn_req.ies_len = 0;
	kfree(hif_drv->usr_conn_req.ies);
	hif_drv->usr_conn_req.ies = NULL;

	eth_zero_addr(wilc_connected_ssid);

	if (join_req && join_req_vif == vif) {
		kfree(join_req);
		join_req = NULL;
	}

	if (info_element && join_req_vif == vif) {
		kfree(info_element);
		info_element = NULL;
	}

	return result;
}

static s32 Handle_RcvdNtwrkInfo(struct wilc_vif *vif,
				struct rcvd_net_info *pstrRcvdNetworkInfo)
{
	u32 i;
	bool bNewNtwrkFound;
	s32 result = 0;
	struct network_info *pstrNetworkInfo = NULL;
	void *pJoinParams = NULL;
	struct host_if_drv *hif_drv = vif->hif_drv;

	bNewNtwrkFound = true;

	if (hif_drv->usr_scan_req.scan_result) {
		wilc_parse_network_info(pstrRcvdNetworkInfo->buffer, &pstrNetworkInfo);
		if ((!pstrNetworkInfo) ||
		    (!hif_drv->usr_scan_req.scan_result)) {
			netdev_err(vif->ndev, "driver is null\n");
			result = -EINVAL;
			goto done;
		}

		for (i = 0; i < hif_drv->usr_scan_req.rcvd_ch_cnt; i++) {
			if (memcmp(hif_drv->usr_scan_req.net_info[i].bssid,
				   pstrNetworkInfo->bssid, 6) == 0) {
				if (pstrNetworkInfo->rssi <= hif_drv->usr_scan_req.net_info[i].rssi) {
					goto done;
				} else {
					hif_drv->usr_scan_req.net_info[i].rssi = pstrNetworkInfo->rssi;
					bNewNtwrkFound = false;
					break;
				}
			}
		}

		if (bNewNtwrkFound) {
			if (hif_drv->usr_scan_req.rcvd_ch_cnt < MAX_NUM_SCANNED_NETWORKS) {
				hif_drv->usr_scan_req.net_info[hif_drv->usr_scan_req.rcvd_ch_cnt].rssi = pstrNetworkInfo->rssi;

				memcpy(hif_drv->usr_scan_req.net_info[hif_drv->usr_scan_req.rcvd_ch_cnt].bssid,
				       pstrNetworkInfo->bssid, 6);

				hif_drv->usr_scan_req.rcvd_ch_cnt++;

				pstrNetworkInfo->new_network = true;
				pJoinParams = host_int_ParseJoinBssParam(pstrNetworkInfo);

				hif_drv->usr_scan_req.scan_result(SCAN_EVENT_NETWORK_FOUND, pstrNetworkInfo,
								  hif_drv->usr_scan_req.arg,
								  pJoinParams);
			}
		} else {
			pstrNetworkInfo->new_network = false;
			hif_drv->usr_scan_req.scan_result(SCAN_EVENT_NETWORK_FOUND, pstrNetworkInfo,
							  hif_drv->usr_scan_req.arg, NULL);
		}
	}

done:
	kfree(pstrRcvdNetworkInfo->buffer);
	pstrRcvdNetworkInfo->buffer = NULL;

	if (pstrNetworkInfo) {
		kfree(pstrNetworkInfo->ies);
		kfree(pstrNetworkInfo);
	}

	return result;
}

static s32 host_int_get_assoc_res_info(struct wilc_vif *vif,
				       u8 *pu8AssocRespInfo,
				       u32 u32MaxAssocRespInfoLen,
				       u32 *pu32RcvdAssocRespInfoLen);

static s32 Handle_RcvdGnrlAsyncInfo(struct wilc_vif *vif,
				    struct rcvd_async_info *pstrRcvdGnrlAsyncInfo)
{
	s32 result = 0;
	u8 u8MsgType = 0;
	u8 u8MsgID = 0;
	u16 u16MsgLen = 0;
	u16 u16WidID = (u16)WID_NIL;
	u8 u8WidLen  = 0;
	u8 u8MacStatus;
	u8 u8MacStatusReasonCode;
	u8 u8MacStatusAdditionalInfo;
	struct connect_info strConnectInfo;
	struct disconnect_info strDisconnectNotifInfo;
	s32 s32Err = 0;
	struct host_if_drv *hif_drv = vif->hif_drv;

	if (!hif_drv) {
		netdev_err(vif->ndev, "Driver handler is NULL\n");
		return -ENODEV;
	}

	if ((hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) ||
	    (hif_drv->hif_state == HOST_IF_CONNECTED) ||
	    hif_drv->usr_scan_req.scan_result) {
		if (!pstrRcvdGnrlAsyncInfo->buffer ||
		    !hif_drv->usr_conn_req.conn_result) {
			netdev_err(vif->ndev, "driver is null\n");
			return -EINVAL;
		}

		u8MsgType = pstrRcvdGnrlAsyncInfo->buffer[0];

		if ('I' != u8MsgType) {
			netdev_err(vif->ndev, "Received Message incorrect.\n");
			return -EFAULT;
		}

		u8MsgID = pstrRcvdGnrlAsyncInfo->buffer[1];
		u16MsgLen = MAKE_WORD16(pstrRcvdGnrlAsyncInfo->buffer[2], pstrRcvdGnrlAsyncInfo->buffer[3]);
		u16WidID = MAKE_WORD16(pstrRcvdGnrlAsyncInfo->buffer[4], pstrRcvdGnrlAsyncInfo->buffer[5]);
		u8WidLen = pstrRcvdGnrlAsyncInfo->buffer[6];
		u8MacStatus  = pstrRcvdGnrlAsyncInfo->buffer[7];
		u8MacStatusReasonCode = pstrRcvdGnrlAsyncInfo->buffer[8];
		u8MacStatusAdditionalInfo = pstrRcvdGnrlAsyncInfo->buffer[9];
		if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
			u32 u32RcvdAssocRespInfoLen = 0;
			struct connect_resp_info *pstrConnectRespInfo = NULL;

			memset(&strConnectInfo, 0, sizeof(struct connect_info));

			if (u8MacStatus == MAC_CONNECTED) {
				memset(rcv_assoc_resp, 0, MAX_ASSOC_RESP_FRAME_SIZE);

				host_int_get_assoc_res_info(vif,
							    rcv_assoc_resp,
							    MAX_ASSOC_RESP_FRAME_SIZE,
							    &u32RcvdAssocRespInfoLen);

				if (u32RcvdAssocRespInfoLen != 0) {
					s32Err = wilc_parse_assoc_resp_info(rcv_assoc_resp, u32RcvdAssocRespInfoLen,
								    &pstrConnectRespInfo);
					if (s32Err) {
						netdev_err(vif->ndev, "wilc_parse_assoc_resp_info() returned error %d\n", s32Err);
					} else {
						strConnectInfo.status = pstrConnectRespInfo->status;

						if (strConnectInfo.status == SUCCESSFUL_STATUSCODE) {
							if (pstrConnectRespInfo->ies) {
								strConnectInfo.resp_ies_len = pstrConnectRespInfo->ies_len;
								strConnectInfo.resp_ies = kmalloc(pstrConnectRespInfo->ies_len, GFP_KERNEL);
								memcpy(strConnectInfo.resp_ies, pstrConnectRespInfo->ies,
								       pstrConnectRespInfo->ies_len);
							}
						}

						if (pstrConnectRespInfo) {
							kfree(pstrConnectRespInfo->ies);
							kfree(pstrConnectRespInfo);
						}
					}
				}
			}

			if ((u8MacStatus == MAC_CONNECTED) &&
			    (strConnectInfo.status != SUCCESSFUL_STATUSCODE))	{
				netdev_err(vif->ndev, "Received MAC status is MAC_CONNECTED while the received status code in Asoc Resp is not SUCCESSFUL_STATUSCODE\n");
				eth_zero_addr(wilc_connected_ssid);
			} else if (u8MacStatus == MAC_DISCONNECTED)    {
				netdev_err(vif->ndev, "Received MAC status is MAC_DISCONNECTED\n");
				eth_zero_addr(wilc_connected_ssid);
			}

			if (hif_drv->usr_conn_req.bssid) {
				memcpy(strConnectInfo.bssid, hif_drv->usr_conn_req.bssid, 6);

				if ((u8MacStatus == MAC_CONNECTED) &&
				    (strConnectInfo.status == SUCCESSFUL_STATUSCODE))	{
					memcpy(hif_drv->assoc_bssid,
					       hif_drv->usr_conn_req.bssid, ETH_ALEN);
				}
			}

			if (hif_drv->usr_conn_req.ies) {
				strConnectInfo.req_ies_len = hif_drv->usr_conn_req.ies_len;
				strConnectInfo.req_ies = kmalloc(hif_drv->usr_conn_req.ies_len, GFP_KERNEL);
				memcpy(strConnectInfo.req_ies,
				       hif_drv->usr_conn_req.ies,
				       hif_drv->usr_conn_req.ies_len);
			}

			del_timer(&hif_drv->connect_timer);
			hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
							  &strConnectInfo,
							  u8MacStatus,
							  NULL,
							  hif_drv->usr_conn_req.arg);

			if ((u8MacStatus == MAC_CONNECTED) &&
			    (strConnectInfo.status == SUCCESSFUL_STATUSCODE))	{
				wilc_set_power_mgmt(vif, 0, 0);

				hif_drv->hif_state = HOST_IF_CONNECTED;

				wilc_optaining_ip = true;
				mod_timer(&wilc_during_ip_timer,
					  jiffies + msecs_to_jiffies(10000));
			} else {
				hif_drv->hif_state = HOST_IF_IDLE;
				scan_while_connected = false;
			}

			kfree(strConnectInfo.resp_ies);
			strConnectInfo.resp_ies = NULL;

			kfree(strConnectInfo.req_ies);
			strConnectInfo.req_ies = NULL;
			hif_drv->usr_conn_req.ssid_len = 0;
			kfree(hif_drv->usr_conn_req.ssid);
			hif_drv->usr_conn_req.ssid = NULL;
			kfree(hif_drv->usr_conn_req.bssid);
			hif_drv->usr_conn_req.bssid = NULL;
			hif_drv->usr_conn_req.ies_len = 0;
			kfree(hif_drv->usr_conn_req.ies);
			hif_drv->usr_conn_req.ies = NULL;
		} else if ((u8MacStatus == MAC_DISCONNECTED) &&
			   (hif_drv->hif_state == HOST_IF_CONNECTED)) {
			memset(&strDisconnectNotifInfo, 0, sizeof(struct disconnect_info));

			if (hif_drv->usr_scan_req.scan_result) {
				del_timer(&hif_drv->scan_timer);
				Handle_ScanDone(vif, SCAN_EVENT_ABORTED);
			}

			strDisconnectNotifInfo.reason = 0;
			strDisconnectNotifInfo.ie = NULL;
			strDisconnectNotifInfo.ie_len = 0;

			if (hif_drv->usr_conn_req.conn_result) {
				wilc_optaining_ip = false;
				wilc_set_power_mgmt(vif, 0, 0);

				hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
								  NULL,
								  0,
								  &strDisconnectNotifInfo,
								  hif_drv->usr_conn_req.arg);
			} else {
				netdev_err(vif->ndev, "Connect result NULL\n");
			}

			eth_zero_addr(hif_drv->assoc_bssid);

			hif_drv->usr_conn_req.ssid_len = 0;
			kfree(hif_drv->usr_conn_req.ssid);
			hif_drv->usr_conn_req.ssid = NULL;
			kfree(hif_drv->usr_conn_req.bssid);
			hif_drv->usr_conn_req.bssid = NULL;
			hif_drv->usr_conn_req.ies_len = 0;
			kfree(hif_drv->usr_conn_req.ies);
			hif_drv->usr_conn_req.ies = NULL;

			if (join_req && join_req_vif == vif) {
				kfree(join_req);
				join_req = NULL;
			}

			if (info_element && join_req_vif == vif) {
				kfree(info_element);
				info_element = NULL;
			}

			hif_drv->hif_state = HOST_IF_IDLE;
			scan_while_connected = false;

		} else if ((u8MacStatus == MAC_DISCONNECTED) &&
			   (hif_drv->usr_scan_req.scan_result)) {
			del_timer(&hif_drv->scan_timer);
			if (hif_drv->usr_scan_req.scan_result)
				Handle_ScanDone(vif, SCAN_EVENT_ABORTED);
		}
	}

	kfree(pstrRcvdGnrlAsyncInfo->buffer);
	pstrRcvdGnrlAsyncInfo->buffer = NULL;

	return result;
}

static int Handle_Key(struct wilc_vif *vif,
		      struct key_attr *pstrHostIFkeyAttr)
{
	s32 result = 0;
	struct wid wid;
	struct wid strWIDList[5];
	u8 i;
	u8 *pu8keybuf;
	s8 s8idxarray[1];
	s8 ret = 0;
	struct host_if_drv *hif_drv = vif->hif_drv;

	switch (pstrHostIFkeyAttr->type) {
	case WEP:

		if (pstrHostIFkeyAttr->action & ADDKEY_AP) {
			strWIDList[0].id = (u16)WID_11I_MODE;
			strWIDList[0].type = WID_CHAR;
			strWIDList[0].size = sizeof(char);
			strWIDList[0].val = (s8 *)&pstrHostIFkeyAttr->attr.wep.mode;

			strWIDList[1].id = WID_AUTH_TYPE;
			strWIDList[1].type = WID_CHAR;
			strWIDList[1].size = sizeof(char);
			strWIDList[1].val = (s8 *)&pstrHostIFkeyAttr->attr.wep.auth_type;

			pu8keybuf = kmalloc(pstrHostIFkeyAttr->attr.wep.key_len + 2,
					    GFP_KERNEL);
			if (!pu8keybuf)
				return -ENOMEM;

			pu8keybuf[0] = pstrHostIFkeyAttr->attr.wep.index;
			pu8keybuf[1] = pstrHostIFkeyAttr->attr.wep.key_len;

			memcpy(&pu8keybuf[2], pstrHostIFkeyAttr->attr.wep.key,
			       pstrHostIFkeyAttr->attr.wep.key_len);

			kfree(pstrHostIFkeyAttr->attr.wep.key);

			strWIDList[2].id = (u16)WID_WEP_KEY_VALUE;
			strWIDList[2].type = WID_STR;
			strWIDList[2].size = pstrHostIFkeyAttr->attr.wep.key_len + 2;
			strWIDList[2].val = (s8 *)pu8keybuf;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      strWIDList, 3,
						      wilc_get_vif_idx(vif));
			kfree(pu8keybuf);
		} else if (pstrHostIFkeyAttr->action & ADDKEY) {
			pu8keybuf = kmalloc(pstrHostIFkeyAttr->attr.wep.key_len + 2, GFP_KERNEL);
			if (!pu8keybuf)
				return -ENOMEM;
			pu8keybuf[0] = pstrHostIFkeyAttr->attr.wep.index;
			memcpy(pu8keybuf + 1, &pstrHostIFkeyAttr->attr.wep.key_len, 1);
			memcpy(pu8keybuf + 2, pstrHostIFkeyAttr->attr.wep.key,
			       pstrHostIFkeyAttr->attr.wep.key_len);
			kfree(pstrHostIFkeyAttr->attr.wep.key);

			wid.id = (u16)WID_ADD_WEP_KEY;
			wid.type = WID_STR;
			wid.val = (s8 *)pu8keybuf;
			wid.size = pstrHostIFkeyAttr->attr.wep.key_len + 2;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      &wid, 1,
						      wilc_get_vif_idx(vif));
			kfree(pu8keybuf);
		} else if (pstrHostIFkeyAttr->action & REMOVEKEY) {
			wid.id = (u16)WID_REMOVE_WEP_KEY;
			wid.type = WID_STR;

			s8idxarray[0] = (s8)pstrHostIFkeyAttr->attr.wep.index;
			wid.val = s8idxarray;
			wid.size = 1;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      &wid, 1,
						      wilc_get_vif_idx(vif));
		} else if (pstrHostIFkeyAttr->action & DEFAULTKEY) {
			wid.id = (u16)WID_KEY_ID;
			wid.type = WID_CHAR;
			wid.val = (s8 *)&pstrHostIFkeyAttr->attr.wep.index;
			wid.size = sizeof(char);

			result = wilc_send_config_pkt(vif, SET_CFG,
						      &wid, 1,
						      wilc_get_vif_idx(vif));
		}
		complete(&hif_drv->comp_test_key_block);
		break;

	case WPA_RX_GTK:
		if (pstrHostIFkeyAttr->action & ADDKEY_AP) {
			pu8keybuf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
			if (!pu8keybuf) {
				ret = -ENOMEM;
				goto _WPARxGtk_end_case_;
			}

			if (pstrHostIFkeyAttr->attr.wpa.seq)
				memcpy(pu8keybuf + 6, pstrHostIFkeyAttr->attr.wpa.seq, 8);

			memcpy(pu8keybuf + 14, &pstrHostIFkeyAttr->attr.wpa.index, 1);
			memcpy(pu8keybuf + 15, &pstrHostIFkeyAttr->attr.wpa.key_len, 1);
			memcpy(pu8keybuf + 16, pstrHostIFkeyAttr->attr.wpa.key,
			       pstrHostIFkeyAttr->attr.wpa.key_len);

			strWIDList[0].id = (u16)WID_11I_MODE;
			strWIDList[0].type = WID_CHAR;
			strWIDList[0].size = sizeof(char);
			strWIDList[0].val = (s8 *)&pstrHostIFkeyAttr->attr.wpa.mode;

			strWIDList[1].id = (u16)WID_ADD_RX_GTK;
			strWIDList[1].type = WID_STR;
			strWIDList[1].val = (s8 *)pu8keybuf;
			strWIDList[1].size = RX_MIC_KEY_MSG_LEN;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      strWIDList, 2,
						      wilc_get_vif_idx(vif));

			kfree(pu8keybuf);
			complete(&hif_drv->comp_test_key_block);
		} else if (pstrHostIFkeyAttr->action & ADDKEY) {
			pu8keybuf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
			if (!pu8keybuf) {
				ret = -ENOMEM;
				goto _WPARxGtk_end_case_;
			}

			if (hif_drv->hif_state == HOST_IF_CONNECTED)
				memcpy(pu8keybuf, hif_drv->assoc_bssid, ETH_ALEN);
			else
				netdev_err(vif->ndev, "Couldn't handle\n");

			memcpy(pu8keybuf + 6, pstrHostIFkeyAttr->attr.wpa.seq, 8);
			memcpy(pu8keybuf + 14, &pstrHostIFkeyAttr->attr.wpa.index, 1);
			memcpy(pu8keybuf + 15, &pstrHostIFkeyAttr->attr.wpa.key_len, 1);
			memcpy(pu8keybuf + 16, pstrHostIFkeyAttr->attr.wpa.key,
			       pstrHostIFkeyAttr->attr.wpa.key_len);

			wid.id = (u16)WID_ADD_RX_GTK;
			wid.type = WID_STR;
			wid.val = (s8 *)pu8keybuf;
			wid.size = RX_MIC_KEY_MSG_LEN;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      &wid, 1,
						      wilc_get_vif_idx(vif));

			kfree(pu8keybuf);
			complete(&hif_drv->comp_test_key_block);
		}
_WPARxGtk_end_case_:
		kfree(pstrHostIFkeyAttr->attr.wpa.key);
		kfree(pstrHostIFkeyAttr->attr.wpa.seq);
		if (ret)
			return ret;

		break;

	case WPA_PTK:
		if (pstrHostIFkeyAttr->action & ADDKEY_AP) {
			pu8keybuf = kmalloc(PTK_KEY_MSG_LEN + 1, GFP_KERNEL);
			if (!pu8keybuf) {
				ret = -ENOMEM;
				goto _WPAPtk_end_case_;
			}

			memcpy(pu8keybuf, pstrHostIFkeyAttr->attr.wpa.mac_addr, 6);
			memcpy(pu8keybuf + 6, &pstrHostIFkeyAttr->attr.wpa.index, 1);
			memcpy(pu8keybuf + 7, &pstrHostIFkeyAttr->attr.wpa.key_len, 1);
			memcpy(pu8keybuf + 8, pstrHostIFkeyAttr->attr.wpa.key,
			       pstrHostIFkeyAttr->attr.wpa.key_len);

			strWIDList[0].id = (u16)WID_11I_MODE;
			strWIDList[0].type = WID_CHAR;
			strWIDList[0].size = sizeof(char);
			strWIDList[0].val = (s8 *)&pstrHostIFkeyAttr->attr.wpa.mode;

			strWIDList[1].id = (u16)WID_ADD_PTK;
			strWIDList[1].type = WID_STR;
			strWIDList[1].val = (s8 *)pu8keybuf;
			strWIDList[1].size = PTK_KEY_MSG_LEN + 1;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      strWIDList, 2,
						      wilc_get_vif_idx(vif));
			kfree(pu8keybuf);
			complete(&hif_drv->comp_test_key_block);
		} else if (pstrHostIFkeyAttr->action & ADDKEY) {
			pu8keybuf = kmalloc(PTK_KEY_MSG_LEN, GFP_KERNEL);
			if (!pu8keybuf) {
				netdev_err(vif->ndev, "No buffer send PTK\n");
				ret = -ENOMEM;
				goto _WPAPtk_end_case_;
			}

			memcpy(pu8keybuf, pstrHostIFkeyAttr->attr.wpa.mac_addr, 6);
			memcpy(pu8keybuf + 6, &pstrHostIFkeyAttr->attr.wpa.key_len, 1);
			memcpy(pu8keybuf + 7, pstrHostIFkeyAttr->attr.wpa.key,
			       pstrHostIFkeyAttr->attr.wpa.key_len);

			wid.id = (u16)WID_ADD_PTK;
			wid.type = WID_STR;
			wid.val = (s8 *)pu8keybuf;
			wid.size = PTK_KEY_MSG_LEN;

			result = wilc_send_config_pkt(vif, SET_CFG,
						      &wid, 1,
						      wilc_get_vif_idx(vif));
			kfree(pu8keybuf);
			complete(&hif_drv->comp_test_key_block);
		}

_WPAPtk_end_case_:
		kfree(pstrHostIFkeyAttr->attr.wpa.key);
		if (ret)
			return ret;

		break;

	c…