From: Ajay Singh <ajay.kat...@microchip.com>

Moved 'drivers/staging/wilc1000/hif.c' to
'drivers/net/wireless/microchip/wilc1000/hif.c'.

Signed-off-by: Ajay Singh <ajay.kat...@microchip.com>
---
 drivers/net/wireless/microchip/wilc1000/hif.c | 1961 +++++++++++++++++
 1 file changed, 1961 insertions(+)
 create mode 100644 drivers/net/wireless/microchip/wilc1000/hif.c

diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c 
b/drivers/net/wireless/microchip/wilc1000/hif.c
new file mode 100644
index 000000000000..d025a3093015
--- /dev/null
+++ b/drivers/net/wireless/microchip/wilc1000/hif.c
@@ -0,0 +1,1961 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
+ * All rights reserved.
+ */
+
+#include "netdev.h"
+
+#define WILC_HIF_SCAN_TIMEOUT_MS                5000
+#define WILC_HIF_CONNECT_TIMEOUT_MS             9500
+
+#define WILC_FALSE_FRMWR_CHANNEL               100
+
+#define WILC_SCAN_WID_LIST_SIZE                6
+
+struct wilc_rcvd_mac_info {
+       u8 status;
+};
+
+struct wilc_set_multicast {
+       u32 enabled;
+       u32 cnt;
+       u8 *mc_list;
+};
+
+struct wilc_del_all_sta {
+       u8 assoc_sta;
+       u8 mac[WILC_MAX_NUM_STA][ETH_ALEN];
+};
+
+union wilc_message_body {
+       struct wilc_rcvd_net_info net_info;
+       struct wilc_rcvd_mac_info mac_info;
+       struct wilc_set_multicast mc_info;
+       struct wilc_remain_ch remain_on_ch;
+       char *data;
+};
+
+struct host_if_msg {
+       union wilc_message_body body;
+       struct wilc_vif *vif;
+       struct work_struct work;
+       void (*fn)(struct work_struct *ws);
+       struct completion work_comp;
+       bool is_sync;
+};
+
+/* 'msg' should be free by the caller for syc */
+static struct host_if_msg*
+wilc_alloc_work(struct wilc_vif *vif, void (*work_fun)(struct work_struct *),
+               bool is_sync)
+{
+       struct host_if_msg *msg;
+
+       if (!work_fun)
+               return ERR_PTR(-EINVAL);
+
+       msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
+       if (!msg)
+               return ERR_PTR(-ENOMEM);
+       msg->fn = work_fun;
+       msg->vif = vif;
+       msg->is_sync = is_sync;
+       if (is_sync)
+               init_completion(&msg->work_comp);
+
+       return msg;
+}
+
+static int wilc_enqueue_work(struct host_if_msg *msg)
+{
+       INIT_WORK(&msg->work, msg->fn);
+
+       if (!msg->vif || !msg->vif->wilc || !msg->vif->wilc->hif_workqueue)
+               return -EINVAL;
+
+       if (!queue_work(msg->vif->wilc->hif_workqueue, &msg->work))
+               return -EINVAL;
+
+       return 0;
+}
+
+/* The idx 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;
+       struct wilc_vif *vif;
+
+       if (index < 0 || index >= WILC_NUM_CONCURRENT_IFC)
+               return NULL;
+
+       list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
+               if (vif->idx == index)
+                       return vif;
+       }
+
+       return NULL;
+}
+
+static int handle_scan_done(struct wilc_vif *vif, enum scan_event evt)
+{
+       int result = 0;
+       u8 abort_running_scan;
+       struct wid wid;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+       struct wilc_user_scan_req *scan_req;
+
+       if (evt == SCAN_EVENT_ABORTED) {
+               abort_running_scan = 1;
+               wid.id = WID_ABORT_RUNNING_SCAN;
+               wid.type = WID_CHAR;
+               wid.val = (s8 *)&abort_running_scan;
+               wid.size = sizeof(char);
+
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+               if (result) {
+                       netdev_err(vif->ndev, "Failed to set abort running\n");
+                       result = -EFAULT;
+               }
+       }
+
+       if (!hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
+               return result;
+       }
+
+       scan_req = &hif_drv->usr_scan_req;
+       if (scan_req->scan_result) {
+               scan_req->scan_result(evt, NULL, scan_req->arg);
+               scan_req->scan_result = NULL;
+       }
+
+       return result;
+}
+
+int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
+             u8 *ch_freq_list, u8 ch_list_len,
+             void (*scan_result_fn)(enum scan_event,
+                                    struct wilc_rcvd_net_info *, void *),
+             void *user_arg, struct cfg80211_scan_request *request)
+{
+       int result = 0;
+       struct wid wid_list[WILC_SCAN_WID_LIST_SIZE];
+       u32 index = 0;
+       u32 i, scan_timeout;
+       u8 *buffer;
+       u8 valuesize = 0;
+       u8 *search_ssid_vals = NULL;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       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 error;
+       }
+
+       if (vif->connecting) {
+               netdev_err(vif->ndev, "Don't do obss scan\n");
+               result = -EBUSY;
+               goto error;
+       }
+
+       hif_drv->usr_scan_req.ch_cnt = 0;
+
+       if (request->n_ssids) {
+               for (i = 0; i < request->n_ssids; i++)
+                       valuesize += ((request->ssids[i].ssid_len) + 1);
+               search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL);
+               if (search_ssid_vals) {
+                       wid_list[index].id = WID_SSID_PROBE_REQ;
+                       wid_list[index].type = WID_STR;
+                       wid_list[index].val = search_ssid_vals;
+                       buffer = wid_list[index].val;
+
+                       *buffer++ = request->n_ssids;
+
+                       for (i = 0; i < request->n_ssids; i++) {
+                               *buffer++ = request->ssids[i].ssid_len;
+                               memcpy(buffer, request->ssids[i].ssid,
+                                      request->ssids[i].ssid_len);
+                               buffer += request->ssids[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 = (s8 *)request->ie;
+       wid_list[index].size = request->ie_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_type;
+       index++;
+
+       if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) {
+               wid_list[index].id = WID_PASSIVE_SCAN_TIME;
+               wid_list[index].type = WID_SHORT;
+               wid_list[index].size = sizeof(u16);
+               wid_list[index].val = (s8 *)&request->duration;
+               index++;
+
+               scan_timeout = (request->duration * ch_list_len) + 500;
+       } else {
+               scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS;
+       }
+
+       wid_list[index].id = WID_SCAN_CHANNEL_LIST;
+       wid_list[index].type = WID_BIN_DATA;
+
+       if (ch_freq_list && ch_list_len > 0) {
+               for (i = 0; i < ch_list_len; i++) {
+                       if (ch_freq_list[i] > 0)
+                               ch_freq_list[i] -= 1;
+               }
+       }
+
+       wid_list[index].val = ch_freq_list;
+       wid_list[index].size = 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_source;
+       index++;
+
+       hif_drv->usr_scan_req.scan_result = scan_result_fn;
+       hif_drv->usr_scan_req.arg = user_arg;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index);
+       if (result) {
+               netdev_err(vif->ndev, "Failed to send scan parameters\n");
+               goto error;
+       }
+
+       hif_drv->scan_timer_vif = vif;
+       mod_timer(&hif_drv->scan_timer,
+                 jiffies + msecs_to_jiffies(scan_timeout));
+
+error:
+
+       kfree(search_ssid_vals);
+
+       return result;
+}
+
+static int wilc_send_connect_wid(struct wilc_vif *vif)
+{
+       int result = 0;
+       struct wid wid_list[4];
+       u32 wid_cnt = 0;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+       struct wilc_conn_info *conn_attr = &hif_drv->conn_info;
+       struct wilc_join_bss_param *bss_param = conn_attr->param;
+
+       wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE;
+       wid_list[wid_cnt].type = WID_BIN_DATA;
+       wid_list[wid_cnt].val = conn_attr->req_ies;
+       wid_list[wid_cnt].size = conn_attr->req_ies_len;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_11I_MODE;
+       wid_list[wid_cnt].type = WID_CHAR;
+       wid_list[wid_cnt].size = sizeof(char);
+       wid_list[wid_cnt].val = (s8 *)&conn_attr->security;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_AUTH_TYPE;
+       wid_list[wid_cnt].type = WID_CHAR;
+       wid_list[wid_cnt].size = sizeof(char);
+       wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED;
+       wid_list[wid_cnt].type = WID_STR;
+       wid_list[wid_cnt].size = sizeof(*bss_param);
+       wid_list[wid_cnt].val = (u8 *)bss_param;
+       wid_cnt++;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt);
+       if (result) {
+               netdev_err(vif->ndev, "failed to send config packet\n");
+               goto error;
+       } else {
+               hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
+       }
+
+       return 0;
+
+error:
+
+       kfree(conn_attr->req_ies);
+       conn_attr->req_ies = NULL;
+
+       return result;
+}
+
+static void handle_connect_timeout(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+       struct wilc_vif *vif = msg->vif;
+       int result;
+       struct wid wid;
+       u16 dummy_reason_code = 0;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (!hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
+               goto out;
+       }
+
+       hif_drv->hif_state = HOST_IF_IDLE;
+
+       if (hif_drv->conn_info.conn_result) {
+               hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
+                                              WILC_MAC_STATUS_DISCONNECTED,
+                                              hif_drv->conn_info.arg);
+
+       } else {
+               netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
+       }
+
+       wid.id = WID_DISCONNECT;
+       wid.type = WID_CHAR;
+       wid.val = (s8 *)&dummy_reason_code;
+       wid.size = sizeof(char);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send disconnect\n");
+
+       hif_drv->conn_info.req_ies_len = 0;
+       kfree(hif_drv->conn_info.req_ies);
+       hif_drv->conn_info.req_ies = NULL;
+
+out:
+       kfree(msg);
+}
+
+void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
+                               struct cfg80211_crypto_settings *crypto)
+{
+       struct wilc_join_bss_param *param;
+       struct ieee80211_p2p_noa_attr noa_attr;
+       u8 rates_len = 0;
+       const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
+       const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
+       int ret;
+       const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
+
+       param = kzalloc(sizeof(*param), GFP_KERNEL);
+       if (!param)
+               return NULL;
+
+       param->beacon_period = cpu_to_le16(bss->beacon_interval);
+       param->cap_info = cpu_to_le16(bss->capability);
+       param->bss_type = WILC_FW_BSS_TYPE_INFRA;
+       param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
+       ether_addr_copy(param->bssid, bss->bssid);
+
+       ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
+       if (ssid_elm) {
+               if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
+                       memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
+       }
+
+       tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
+       if (tim_elm && tim_elm[1] >= 2)
+               param->dtim_period = tim_elm[3];
+
+       memset(param->p_suites, 0xFF, 3);
+       memset(param->akm_suites, 0xFF, 3);
+
+       rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
+       if (rates_ie) {
+               rates_len = rates_ie[1];
+               if (rates_len > WILC_MAX_RATES_SUPPORTED)
+                       rates_len = WILC_MAX_RATES_SUPPORTED;
+               param->supp_rates[0] = rates_len;
+               memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
+       }
+
+       if (rates_len < WILC_MAX_RATES_SUPPORTED) {
+               supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
+                                                ies->data, ies->len);
+               if (supp_rates_ie) {
+                       u8 ext_rates = supp_rates_ie[1];
+
+                       if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
+                               param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
+                       else
+                               param->supp_rates[0] += ext_rates;
+
+                       memcpy(&param->supp_rates[rates_len + 1],
+                              supp_rates_ie + 2,
+                              (param->supp_rates[0] - rates_len));
+               }
+       }
+
+       ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
+       if (ht_ie)
+               param->ht_capable = true;
+
+       ret = cfg80211_get_p2p_attr(ies->data, ies->len,
+                                   IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
+                                   (u8 *)&noa_attr, sizeof(noa_attr));
+       if (ret > 0) {
+               param->tsf_lo = cpu_to_le32(ies->tsf);
+               param->noa_enabled = 1;
+               param->idx = noa_attr.index;
+               if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
+                       param->opp_enabled = 1;
+                       param->opp_en.ct_window = noa_attr.oppps_ctwindow;
+                       param->opp_en.cnt = noa_attr.desc[0].count;
+                       param->opp_en.duration = noa_attr.desc[0].duration;
+                       param->opp_en.interval = noa_attr.desc[0].interval;
+                       param->opp_en.start_time = noa_attr.desc[0].start_time;
+               } else {
+                       param->opp_enabled = 0;
+                       param->opp_dis.cnt = noa_attr.desc[0].count;
+                       param->opp_dis.duration = noa_attr.desc[0].duration;
+                       param->opp_dis.interval = noa_attr.desc[0].interval;
+                       param->opp_dis.start_time = noa_attr.desc[0].start_time;
+               }
+       }
+       wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+                                        WLAN_OUI_TYPE_MICROSOFT_WMM,
+                                        ies->data, ies->len);
+       if (wmm_ie) {
+               struct ieee80211_wmm_param_ie *ie;
+
+               ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
+               if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
+                   ie->version == 1) {
+                       param->wmm_cap = true;
+                       if (ie->qos_info & BIT(7))
+                               param->uapsd_cap = true;
+               }
+       }
+
+       wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+                                        WLAN_OUI_TYPE_MICROSOFT_WPA,
+                                        ies->data, ies->len);
+       if (wpa_ie) {
+               param->mode_802_11i = 1;
+               param->rsn_found = true;
+       }
+
+       rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
+       if (rsn_ie) {
+               int offset = 8;
+
+               param->mode_802_11i = 2;
+               param->rsn_found = true;
+               /* extract RSN capabilities */
+               offset += (rsn_ie[offset] * 4) + 2;
+               offset += (rsn_ie[offset] * 4) + 2;
+               memcpy(param->rsn_cap, &rsn_ie[offset], 2);
+       }
+
+       if (param->rsn_found) {
+               int i;
+
+               param->rsn_grp_policy = crypto->cipher_group & 0xFF;
+               for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
+                       param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
+
+               for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
+                       param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
+       }
+
+       return (void *)param;
+}
+
+static void handle_rcvd_ntwrk_info(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+       struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
+       struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
+       const u8 *ch_elm;
+       u8 *ies;
+       int ies_len;
+       size_t offset;
+
+       if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
+               offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+       else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
+               offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+       else
+               goto done;
+
+       ies = rcvd_info->mgmt->u.beacon.variable;
+       ies_len = rcvd_info->frame_len - offset;
+       if (ies_len <= 0)
+               goto done;
+
+       ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
+       if (ch_elm && ch_elm[1] > 0)
+               rcvd_info->ch = ch_elm[2];
+
+       if (scan_req->scan_result)
+               scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
+                                     scan_req->arg);
+
+done:
+       kfree(rcvd_info->mgmt);
+       kfree(msg);
+}
+
+static void host_int_get_assoc_res_info(struct wilc_vif *vif,
+                                       u8 *assoc_resp_info,
+                                       u32 max_assoc_resp_info_len,
+                                       u32 *rcvd_assoc_resp_info_len)
+{
+       int result;
+       struct wid wid;
+
+       wid.id = WID_ASSOC_RES_INFO;
+       wid.type = WID_STR;
+       wid.val = assoc_resp_info;
+       wid.size = max_assoc_resp_info_len;
+
+       result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
+       if (result) {
+               *rcvd_assoc_resp_info_len = 0;
+               netdev_err(vif->ndev, "Failed to send association response\n");
+               return;
+       }
+
+       *rcvd_assoc_resp_info_len = wid.size;
+}
+
+static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
+                                     struct wilc_conn_info *ret_conn_info)
+{
+       u8 *ies;
+       u16 ies_len;
+       struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
+
+       ret_conn_info->status = le16_to_cpu(res->status_code);
+       if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
+               ies = &buffer[sizeof(*res)];
+               ies_len = buffer_len - sizeof(*res);
+
+               ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
+               if (!ret_conn_info->resp_ies)
+                       return -ENOMEM;
+
+               ret_conn_info->resp_ies_len = ies_len;
+       }
+
+       return 0;
+}
+
+static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
+                                                 u8 mac_status)
+{
+       struct host_if_drv *hif_drv = vif->hif_drv;
+       struct wilc_conn_info *conn_info = &hif_drv->conn_info;
+
+       if (mac_status == WILC_MAC_STATUS_CONNECTED) {
+               u32 assoc_resp_info_len;
+
+               memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
+
+               host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
+                                           WILC_MAX_ASSOC_RESP_FRAME_SIZE,
+                                           &assoc_resp_info_len);
+
+               if (assoc_resp_info_len != 0) {
+                       s32 err = 0;
+
+                       err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
+                                                        assoc_resp_info_len,
+                                                        conn_info);
+                       if (err)
+                               netdev_err(vif->ndev,
+                                          "wilc_parse_assoc_resp_info() 
returned error %d\n",
+                                          err);
+               }
+       }
+
+       del_timer(&hif_drv->connect_timer);
+       conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
+                              hif_drv->conn_info.arg);
+
+       if (mac_status == WILC_MAC_STATUS_CONNECTED &&
+           conn_info->status == WLAN_STATUS_SUCCESS) {
+               ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
+               hif_drv->hif_state = HOST_IF_CONNECTED;
+       } else {
+               hif_drv->hif_state = HOST_IF_IDLE;
+       }
+
+       kfree(conn_info->resp_ies);
+       conn_info->resp_ies = NULL;
+       conn_info->resp_ies_len = 0;
+
+       kfree(conn_info->req_ies);
+       conn_info->req_ies = NULL;
+       conn_info->req_ies_len = 0;
+}
+
+static inline void host_int_handle_disconnect(struct wilc_vif *vif)
+{
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (hif_drv->usr_scan_req.scan_result) {
+               del_timer(&hif_drv->scan_timer);
+               handle_scan_done(vif, SCAN_EVENT_ABORTED);
+       }
+
+       if (hif_drv->conn_info.conn_result)
+               hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
+                                              0, hif_drv->conn_info.arg);
+       else
+               netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
+
+       eth_zero_addr(hif_drv->assoc_bssid);
+
+       hif_drv->conn_info.req_ies_len = 0;
+       kfree(hif_drv->conn_info.req_ies);
+       hif_drv->conn_info.req_ies = NULL;
+       hif_drv->hif_state = HOST_IF_IDLE;
+}
+
+static void handle_rcvd_gnrl_async_info(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+       struct wilc_vif *vif = msg->vif;
+       struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (!hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
+               goto free_msg;
+       }
+
+       if (!hif_drv->conn_info.conn_result) {
+               netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
+               goto free_msg;
+       }
+
+       if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
+               host_int_parse_assoc_resp_info(vif, mac_info->status);
+       } else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
+               if (hif_drv->hif_state == HOST_IF_CONNECTED) {
+                       host_int_handle_disconnect(vif);
+               } else if (hif_drv->usr_scan_req.scan_result) {
+                       del_timer(&hif_drv->scan_timer);
+                       handle_scan_done(vif, SCAN_EVENT_ABORTED);
+               }
+       }
+
+free_msg:
+       kfree(msg);
+}
+
+int wilc_disconnect(struct wilc_vif *vif)
+{
+       struct wid wid;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+       struct wilc_user_scan_req *scan_req;
+       struct wilc_conn_info *conn_info;
+       int result;
+       u16 dummy_reason_code = 0;
+
+       wid.id = WID_DISCONNECT;
+       wid.type = WID_CHAR;
+       wid.val = (s8 *)&dummy_reason_code;
+       wid.size = sizeof(char);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result) {
+               netdev_err(vif->ndev, "Failed to send disconnect\n");
+               return result;
+       }
+
+       scan_req = &hif_drv->usr_scan_req;
+       conn_info = &hif_drv->conn_info;
+
+       if (scan_req->scan_result) {
+               del_timer(&hif_drv->scan_timer);
+               scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg);
+               scan_req->scan_result = NULL;
+       }
+
+       if (conn_info->conn_result) {
+               if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
+                       del_timer(&hif_drv->connect_timer);
+
+               conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
+                                      conn_info->arg);
+       } else {
+               netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
+       }
+
+       hif_drv->hif_state = HOST_IF_IDLE;
+
+       eth_zero_addr(hif_drv->assoc_bssid);
+
+       conn_info->req_ies_len = 0;
+       kfree(conn_info->req_ies);
+       conn_info->req_ies = NULL;
+
+       return 0;
+}
+
+int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
+{
+       struct wid wid_list[5];
+       u32 wid_cnt = 0, result;
+
+       wid_list[wid_cnt].id = WID_LINKSPEED;
+       wid_list[wid_cnt].type = WID_CHAR;
+       wid_list[wid_cnt].size = sizeof(char);
+       wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_RSSI;
+       wid_list[wid_cnt].type = WID_CHAR;
+       wid_list[wid_cnt].size = sizeof(char);
+       wid_list[wid_cnt].val = (s8 *)&stats->rssi;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT;
+       wid_list[wid_cnt].type = WID_INT;
+       wid_list[wid_cnt].size = sizeof(u32);
+       wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
+       wid_list[wid_cnt].type = WID_INT;
+       wid_list[wid_cnt].size = sizeof(u32);
+       wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
+       wid_cnt++;
+
+       wid_list[wid_cnt].id = WID_FAILED_COUNT;
+       wid_list[wid_cnt].type = WID_INT;
+       wid_list[wid_cnt].size = sizeof(u32);
+       wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
+       wid_cnt++;
+
+       result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
+       if (result) {
+               netdev_err(vif->ndev, "Failed to send scan parameters\n");
+               return result;
+       }
+
+       if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
+           stats->link_speed != DEFAULT_LINK_SPEED)
+               wilc_enable_tcp_ack_filter(vif, true);
+       else if (stats->link_speed != DEFAULT_LINK_SPEED)
+               wilc_enable_tcp_ack_filter(vif, false);
+
+       return result;
+}
+
+static void handle_get_statistics(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+       struct wilc_vif *vif = msg->vif;
+       struct rf_info *stats = (struct rf_info *)msg->body.data;
+
+       wilc_get_statistics(vif, stats);
+
+       kfree(msg);
+}
+
+static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
+                                   struct station_parameters *params)
+{
+       ether_addr_copy(cur_byte, mac);
+       cur_byte += ETH_ALEN;
+
+       put_unaligned_le16(params->aid, cur_byte);
+       cur_byte += 2;
+
+       *cur_byte++ = params->supported_rates_len;
+       if (params->supported_rates_len > 0)
+               memcpy(cur_byte, params->supported_rates,
+                      params->supported_rates_len);
+       cur_byte += params->supported_rates_len;
+
+       if (params->ht_capa) {
+               *cur_byte++ = true;
+               memcpy(cur_byte, params->ht_capa,
+                      sizeof(struct ieee80211_ht_cap));
+       } else {
+               *cur_byte++ = false;
+       }
+       cur_byte += sizeof(struct ieee80211_ht_cap);
+
+       put_unaligned_le16(params->sta_flags_mask, cur_byte);
+       cur_byte += 2;
+       put_unaligned_le16(params->sta_flags_set, cur_byte);
+}
+
+static int handle_remain_on_chan(struct wilc_vif *vif,
+                                struct wilc_remain_ch *hif_remain_ch)
+{
+       int result;
+       u8 remain_on_chan_flag;
+       struct wid wid;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (hif_drv->usr_scan_req.scan_result)
+               return -EBUSY;
+
+       if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
+               return -EBUSY;
+
+       if (vif->connecting)
+               return -EBUSY;
+
+       remain_on_chan_flag = true;
+       wid.id = WID_REMAIN_ON_CHAN;
+       wid.type = WID_STR;
+       wid.size = 2;
+       wid.val = kmalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       wid.val[0] = remain_on_chan_flag;
+       wid.val[1] = (s8)hif_remain_ch->ch;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       kfree(wid.val);
+       if (result)
+               return -EBUSY;
+
+       hif_drv->remain_on_ch.arg = hif_remain_ch->arg;
+       hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
+       hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
+       hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
+       hif_drv->remain_on_ch_timer_vif = vif;
+
+       return 0;
+}
+
+static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
+{
+       u8 remain_on_chan_flag;
+       struct wid wid;
+       int result;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (vif->priv.p2p_listen_state) {
+               remain_on_chan_flag = false;
+               wid.id = WID_REMAIN_ON_CHAN;
+               wid.type = WID_STR;
+               wid.size = 2;
+
+               wid.val = kmalloc(wid.size, GFP_KERNEL);
+               if (!wid.val)
+                       return -ENOMEM;
+
+               wid.val[0] = remain_on_chan_flag;
+               wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
+
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+               kfree(wid.val);
+               if (result != 0) {
+                       netdev_err(vif->ndev, "Failed to set remain channel\n");
+                       return -EINVAL;
+               }
+
+               if (hif_drv->remain_on_ch.expired) {
+                       hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg,
+                                                     cookie);
+               }
+       } else {
+               netdev_dbg(vif->ndev, "Not in listen state\n");
+       }
+
+       return 0;
+}
+
+static void wilc_handle_listen_state_expired(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+
+       wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
+       kfree(msg);
+}
+
+static void listen_timer_cb(struct timer_list *t)
+{
+       struct host_if_drv *hif_drv = from_timer(hif_drv, t,
+                                                     remain_on_ch_timer);
+       struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
+       int result;
+       struct host_if_msg *msg;
+
+       del_timer(&vif->hif_drv->remain_on_ch_timer);
+
+       msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
+       if (IS_ERR(msg))
+               return;
+
+       msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
+
+       result = wilc_enqueue_work(msg);
+       if (result) {
+               netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
+               kfree(msg);
+       }
+}
+
+static void handle_set_mcast_filter(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+       struct wilc_vif *vif = msg->vif;
+       struct wilc_set_multicast *set_mc = &msg->body.mc_info;
+       int result;
+       struct wid wid;
+       u8 *cur_byte;
+
+       wid.id = WID_SETUP_MULTICAST_FILTER;
+       wid.type = WID_BIN;
+       wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
+       wid.val = kmalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               goto error;
+
+       cur_byte = wid.val;
+       put_unaligned_le32(set_mc->enabled, cur_byte);
+       cur_byte += 4;
+
+       put_unaligned_le32(set_mc->cnt, cur_byte);
+       cur_byte += 4;
+
+       if (set_mc->cnt > 0 && set_mc->mc_list)
+               memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send setup multicast\n");
+
+error:
+       kfree(set_mc->mc_list);
+       kfree(wid.val);
+       kfree(msg);
+}
+
+static void handle_scan_timer(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+
+       handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
+       kfree(msg);
+}
+
+static void handle_scan_complete(struct work_struct *work)
+{
+       struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
+
+       del_timer(&msg->vif->hif_drv->scan_timer);
+
+       handle_scan_done(msg->vif, SCAN_EVENT_DONE);
+
+       kfree(msg);
+}
+
+static void timer_scan_cb(struct timer_list *t)
+{
+       struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
+       struct wilc_vif *vif = hif_drv->scan_timer_vif;
+       struct host_if_msg *msg;
+       int result;
+
+       msg = wilc_alloc_work(vif, handle_scan_timer, false);
+       if (IS_ERR(msg))
+               return;
+
+       result = wilc_enqueue_work(msg);
+       if (result)
+               kfree(msg);
+}
+
+static void timer_connect_cb(struct timer_list *t)
+{
+       struct host_if_drv *hif_drv = from_timer(hif_drv, t,
+                                                     connect_timer);
+       struct wilc_vif *vif = hif_drv->connect_timer_vif;
+       struct host_if_msg *msg;
+       int result;
+
+       msg = wilc_alloc_work(vif, handle_connect_timeout, false);
+       if (IS_ERR(msg))
+               return;
+
+       result = wilc_enqueue_work(msg);
+       if (result)
+               kfree(msg);
+}
+
+int wilc_remove_wep_key(struct wilc_vif *vif, u8 index)
+{
+       struct wid wid;
+       int result;
+
+       wid.id = WID_REMOVE_WEP_KEY;
+       wid.type = WID_STR;
+       wid.size = sizeof(char);
+       wid.val = &index;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev,
+                          "Failed to send remove wep key config packet\n");
+       return result;
+}
+
+int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index)
+{
+       struct wid wid;
+       int result;
+
+       wid.id = WID_KEY_ID;
+       wid.type = WID_CHAR;
+       wid.size = sizeof(char);
+       wid.val = &index;
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev,
+                          "Failed to send wep default key config packet\n");
+
+       return result;
+}
+
+int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
+                            u8 index)
+{
+       struct wid wid;
+       int result;
+       struct wilc_wep_key *wep_key;
+
+       wid.id = WID_ADD_WEP_KEY;
+       wid.type = WID_STR;
+       wid.size = sizeof(*wep_key) + len;
+       wep_key = kzalloc(wid.size, GFP_KERNEL);
+       if (!wep_key)
+               return -ENOMEM;
+
+       wid.val = (u8 *)wep_key;
+
+       wep_key->index = index;
+       wep_key->key_len = len;
+       memcpy(wep_key->key, key, len);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev,
+                          "Failed to add wep key config packet\n");
+
+       kfree(wep_key);
+       return result;
+}
+
+int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
+                           u8 index, u8 mode, enum authtype auth_type)
+{
+       struct wid wid_list[3];
+       int result;
+       struct wilc_wep_key *wep_key;
+
+       wid_list[0].id = WID_11I_MODE;
+       wid_list[0].type = WID_CHAR;
+       wid_list[0].size = sizeof(char);
+       wid_list[0].val = &mode;
+
+       wid_list[1].id = WID_AUTH_TYPE;
+       wid_list[1].type = WID_CHAR;
+       wid_list[1].size = sizeof(char);
+       wid_list[1].val = (s8 *)&auth_type;
+
+       wid_list[2].id = WID_WEP_KEY_VALUE;
+       wid_list[2].type = WID_STR;
+       wid_list[2].size = sizeof(*wep_key) + len;
+       wep_key = kzalloc(wid_list[2].size, GFP_KERNEL);
+       if (!wep_key)
+               return -ENOMEM;
+
+       wid_list[2].val = (u8 *)wep_key;
+
+       wep_key->index = index;
+       wep_key->key_len = len;
+       memcpy(wep_key->key, key, len);
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
+                                     ARRAY_SIZE(wid_list));
+       if (result)
+               netdev_err(vif->ndev,
+                          "Failed to add wep ap key config packet\n");
+
+       kfree(wep_key);
+       return result;
+}
+
+int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
+                const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
+                u8 mode, u8 cipher_mode, u8 index)
+{
+       int result = 0;
+       u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
+
+       if (mode == WILC_AP_MODE) {
+               struct wid wid_list[2];
+               struct wilc_ap_wpa_ptk *key_buf;
+
+               wid_list[0].id = WID_11I_MODE;
+               wid_list[0].type = WID_CHAR;
+               wid_list[0].size = sizeof(char);
+               wid_list[0].val = (s8 *)&cipher_mode;
+
+               key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
+               if (!key_buf)
+                       return -ENOMEM;
+
+               ether_addr_copy(key_buf->mac_addr, mac_addr);
+               key_buf->index = index;
+               key_buf->key_len = t_key_len;
+               memcpy(&key_buf->key[0], ptk, ptk_key_len);
+
+               if (rx_mic)
+                       memcpy(&key_buf->key[ptk_key_len], rx_mic,
+                              WILC_RX_MIC_KEY_LEN);
+
+               if (tx_mic)
+                       memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
+                              tx_mic, WILC_TX_MIC_KEY_LEN);
+
+               wid_list[1].id = WID_ADD_PTK;
+               wid_list[1].type = WID_STR;
+               wid_list[1].size = sizeof(*key_buf) + t_key_len;
+               wid_list[1].val = (u8 *)key_buf;
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
+                                             ARRAY_SIZE(wid_list));
+               kfree(key_buf);
+       } else if (mode == WILC_STATION_MODE) {
+               struct wid wid;
+               struct wilc_sta_wpa_ptk *key_buf;
+
+               key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
+               if (!key_buf)
+                       return -ENOMEM;
+
+               ether_addr_copy(key_buf->mac_addr, mac_addr);
+               key_buf->key_len = t_key_len;
+               memcpy(&key_buf->key[0], ptk, ptk_key_len);
+
+               if (rx_mic)
+                       memcpy(&key_buf->key[ptk_key_len], rx_mic,
+                              WILC_RX_MIC_KEY_LEN);
+
+               if (tx_mic)
+                       memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
+                              tx_mic, WILC_TX_MIC_KEY_LEN);
+
+               wid.id = WID_ADD_PTK;
+               wid.type = WID_STR;
+               wid.size = sizeof(*key_buf) + t_key_len;
+               wid.val = (s8 *)key_buf;
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+               kfree(key_buf);
+       }
+
+       return result;
+}
+
+int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
+                   u8 index, u32 key_rsc_len, const u8 *key_rsc,
+                   const u8 *rx_mic, const u8 *tx_mic, u8 mode,
+                   u8 cipher_mode)
+{
+       int result = 0;
+       struct wilc_gtk_key *gtk_key;
+       int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
+
+       gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
+       if (!gtk_key)
+               return -ENOMEM;
+
+       /* fill bssid value only in station mode */
+       if (mode == WILC_STATION_MODE &&
+           vif->hif_drv->hif_state == HOST_IF_CONNECTED)
+               memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
+
+       if (key_rsc)
+               memcpy(gtk_key->rsc, key_rsc, 8);
+       gtk_key->index = index;
+       gtk_key->key_len = t_key_len;
+       memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
+
+       if (rx_mic)
+               memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
+
+       if (tx_mic)
+               memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
+                      tx_mic, WILC_TX_MIC_KEY_LEN);
+
+       if (mode == WILC_AP_MODE) {
+               struct wid wid_list[2];
+
+               wid_list[0].id = WID_11I_MODE;
+               wid_list[0].type = WID_CHAR;
+               wid_list[0].size = sizeof(char);
+               wid_list[0].val = (s8 *)&cipher_mode;
+
+               wid_list[1].id = WID_ADD_RX_GTK;
+               wid_list[1].type = WID_STR;
+               wid_list[1].size = sizeof(*gtk_key) + t_key_len;
+               wid_list[1].val = (u8 *)gtk_key;
+
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
+                                             ARRAY_SIZE(wid_list));
+       } else if (mode == WILC_STATION_MODE) {
+               struct wid wid;
+
+               wid.id = WID_ADD_RX_GTK;
+               wid.type = WID_STR;
+               wid.size = sizeof(*gtk_key) + t_key_len;
+               wid.val = (u8 *)gtk_key;
+               result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       }
+
+       kfree(gtk_key);
+       return result;
+}
+
+int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
+{
+       struct wid wid;
+
+       wid.id = WID_PMKID_INFO;
+       wid.type = WID_STR;
+       wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
+       wid.val = (u8 *)pmkid;
+
+       return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+}
+
+int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
+{
+       int result;
+       struct wid wid;
+
+       wid.id = WID_MAC_ADDR;
+       wid.type = WID_STR;
+       wid.size = ETH_ALEN;
+       wid.val = mac_addr;
+
+       result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to get mac address\n");
+
+       return result;
+}
+
+int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
+                     size_t ies_len)
+{
+       int result;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+       struct wilc_conn_info *conn_info = &hif_drv->conn_info;
+
+       if (bssid)
+               ether_addr_copy(conn_info->bssid, bssid);
+
+       if (ies) {
+               conn_info->req_ies_len = ies_len;
+               conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
+               if (!conn_info->req_ies)
+                       return -ENOMEM;
+       }
+
+       result = wilc_send_connect_wid(vif);
+       if (result)
+               goto free_ies;
+
+       hif_drv->connect_timer_vif = vif;
+       mod_timer(&hif_drv->connect_timer,
+                 jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
+
+       return 0;
+
+free_ies:
+       kfree(conn_info->req_ies);
+
+       return result;
+}
+
+int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
+{
+       struct wid wid;
+       int result;
+
+       wid.id = WID_CURRENT_CHANNEL;
+       wid.type = WID_CHAR;
+       wid.size = sizeof(char);
+       wid.val = &channel;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to set channel\n");
+
+       return result;
+}
+
+int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
+                           u8 ifc_id)
+{
+       struct wid wid;
+       int result;
+       struct wilc_drv_handler drv;
+
+       wid.id = WID_SET_OPERATION_MODE;
+       wid.type = WID_STR;
+       wid.size = sizeof(drv);
+       wid.val = (u8 *)&drv;
+
+       drv.handler = cpu_to_le32(index);
+       drv.mode = (ifc_id | (mode << 1));
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to set driver handler\n");
+
+       return result;
+}
+
+s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
+{
+       struct wid wid;
+       s32 result;
+
+       wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
+       wid.type = WID_STR;
+       wid.size = ETH_ALEN;
+       wid.val = kzalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       ether_addr_copy(wid.val, mac);
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       kfree(wid.val);
+       if (result) {
+               netdev_err(vif->ndev, "Failed to set inactive mac\n");
+               return result;
+       }
+
+       wid.id = WID_GET_INACTIVE_TIME;
+       wid.type = WID_INT;
+       wid.val = (s8 *)out_val;
+       wid.size = sizeof(u32);
+       result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to get inactive time\n");
+
+       return result;
+}
+
+int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
+{
+       struct wid wid;
+       int result;
+
+       if (!rssi_level) {
+               netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
+               return -EFAULT;
+       }
+
+       wid.id = WID_RSSI;
+       wid.type = WID_CHAR;
+       wid.size = sizeof(char);
+       wid.val = rssi_level;
+       result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to get RSSI value\n");
+
+       return result;
+}
+
+static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
+{
+       int result;
+       struct host_if_msg *msg;
+
+       msg = wilc_alloc_work(vif, handle_get_statistics, false);
+       if (IS_ERR(msg))
+               return PTR_ERR(msg);
+
+       msg->body.data = (char *)stats;
+
+       result = wilc_enqueue_work(msg);
+       if (result) {
+               netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
+               kfree(msg);
+               return result;
+       }
+
+       return result;
+}
+
+int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
+{
+       struct wid wid_list[4];
+       int i = 0;
+
+       if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
+               wid_list[i].id = WID_SHORT_RETRY_LIMIT;
+               wid_list[i].val = (s8 *)&param->short_retry_limit;
+               wid_list[i].type = WID_SHORT;
+               wid_list[i].size = sizeof(u16);
+               i++;
+       }
+       if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
+               wid_list[i].id = WID_LONG_RETRY_LIMIT;
+               wid_list[i].val = (s8 *)&param->long_retry_limit;
+               wid_list[i].type = WID_SHORT;
+               wid_list[i].size = sizeof(u16);
+               i++;
+       }
+       if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
+               wid_list[i].id = WID_FRAG_THRESHOLD;
+               wid_list[i].val = (s8 *)&param->frag_threshold;
+               wid_list[i].type = WID_SHORT;
+               wid_list[i].size = sizeof(u16);
+               i++;
+       }
+       if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
+               wid_list[i].id = WID_RTS_THRESHOLD;
+               wid_list[i].val = (s8 *)&param->rts_threshold;
+               wid_list[i].type = WID_SHORT;
+               wid_list[i].size = sizeof(u16);
+               i++;
+       }
+
+       return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
+}
+
+static void get_periodic_rssi(struct timer_list *t)
+{
+       struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
+
+       if (!vif->hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
+               return;
+       }
+
+       if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
+               wilc_get_stats_async(vif, &vif->periodic_stat);
+
+       mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
+}
+
+int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
+{
+       struct host_if_drv *hif_drv;
+       struct wilc_vif *vif = netdev_priv(dev);
+       struct wilc *wilc = vif->wilc;
+
+       hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
+       if (!hif_drv)
+               return -ENOMEM;
+
+       *hif_drv_handler = hif_drv;
+
+       vif->hif_drv = hif_drv;
+
+       if (wilc->clients_count == 0)
+               mutex_init(&wilc->deinit_lock);
+
+       timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
+       mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
+
+       timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
+       timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
+       timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
+
+       hif_drv->hif_state = HOST_IF_IDLE;
+
+       hif_drv->p2p_timeout = 0;
+
+       wilc->clients_count++;
+
+       return 0;
+}
+
+int wilc_deinit(struct wilc_vif *vif)
+{
+       int result = 0;
+       struct host_if_drv *hif_drv = vif->hif_drv;
+
+       if (!hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
+               return -EFAULT;
+       }
+
+       mutex_lock(&vif->wilc->deinit_lock);
+
+       del_timer_sync(&hif_drv->scan_timer);
+       del_timer_sync(&hif_drv->connect_timer);
+       del_timer_sync(&vif->periodic_rssi);
+       del_timer_sync(&hif_drv->remain_on_ch_timer);
+
+       if (hif_drv->usr_scan_req.scan_result) {
+               hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
+                                                 hif_drv->usr_scan_req.arg);
+               hif_drv->usr_scan_req.scan_result = NULL;
+       }
+
+       hif_drv->hif_state = HOST_IF_IDLE;
+
+       kfree(hif_drv);
+       vif->hif_drv = NULL;
+       vif->wilc->clients_count--;
+       mutex_unlock(&vif->wilc->deinit_lock);
+       return result;
+}
+
+void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
+{
+       int result;
+       struct host_if_msg *msg;
+       int id;
+       struct host_if_drv *hif_drv;
+       struct wilc_vif *vif;
+
+       id = get_unaligned_le32(&buffer[length - 4]);
+       vif = wilc_get_vif_from_idx(wilc, id);
+       if (!vif)
+               return;
+       hif_drv = vif->hif_drv;
+
+       if (!hif_drv) {
+               netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
+               return;
+       }
+
+       msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
+       if (IS_ERR(msg))
+               return;
+
+       msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
+       msg->body.net_info.rssi = buffer[8];
+       msg->body.net_info.mgmt = kmemdup(&buffer[9],
+                                         msg->body.net_info.frame_len,
+                                         GFP_KERNEL);
+       if (!msg->body.net_info.mgmt) {
+               kfree(msg);
+               return;
+       }
+
+       result = wilc_enqueue_work(msg);
+       if (result) {
+               netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
+               kfree(msg->body.net_info.mgmt);
+               kfree(msg);
+       }
+}
+
+void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
+{
+       int result;
+       struct host_if_msg *msg;
+       int id;
+       struct host_if_drv *hif_drv;
+       struct wilc_vif *vif;
+
+       mutex_lock(&wilc->deinit_lock);
+
+       id = get_unaligned_le32(&buffer[length - 4]);
+       vif = wilc_get_vif_from_idx(wilc, id);
+       if (!vif) {
+               mutex_unlock(&wilc->deinit_lock);
+               return;
+       }
+
+       hif_drv = vif->hif_drv;
+
+       if (!hif_drv) {
+               mutex_unlock(&wilc->deinit_lock);
+               return;
+       }
+
+       if (!hif_drv->conn_info.conn_result) {
+               netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
+               mutex_unlock(&wilc->deinit_lock);
+               return;
+       }
+
+       msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
+       if (IS_ERR(msg)) {
+               mutex_unlock(&wilc->deinit_lock);
+               return;
+       }
+
+       msg->body.mac_info.status = buffer[7];
+       result = wilc_enqueue_work(msg);
+       if (result) {
+               netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
+               kfree(msg);
+       }
+
+       mutex_unlock(&wilc->deinit_lock);
+}
+
+void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
+{
+       int result;
+       int id;
+       struct host_if_drv *hif_drv;
+       struct wilc_vif *vif;
+
+       id = get_unaligned_le32(&buffer[length - 4]);
+       vif = wilc_get_vif_from_idx(wilc, id);
+       if (!vif)
+               return;
+       hif_drv = vif->hif_drv;
+
+       if (!hif_drv)
+               return;
+
+       if (hif_drv->usr_scan_req.scan_result) {
+               struct host_if_msg *msg;
+
+               msg = wilc_alloc_work(vif, handle_scan_complete, false);
+               if (IS_ERR(msg))
+                       return;
+
+               result = wilc_enqueue_work(msg);
+               if (result) {
+                       netdev_err(vif->ndev, "%s: enqueue work failed\n",
+                                  __func__);
+                       kfree(msg);
+               }
+       }
+}
+
+int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
+                          u32 duration, u16 chan,
+                          void (*expired)(void *, u64),
+                          void *user_arg)
+{
+       struct wilc_remain_ch roc;
+       int result;
+
+       roc.ch = chan;
+       roc.expired = expired;
+       roc.arg = user_arg;
+       roc.duration = duration;
+       roc.cookie = cookie;
+       result = handle_remain_on_chan(vif, &roc);
+       if (result)
+               netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
+                          __func__);
+
+       return result;
+}
+
+int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
+{
+       if (!vif->hif_drv) {
+               netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
+               return -EFAULT;
+       }
+
+       del_timer(&vif->hif_drv->remain_on_ch_timer);
+
+       return wilc_handle_roc_expired(vif, cookie);
+}
+
+void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
+{
+       struct wid wid;
+       int result;
+       struct wilc_reg_frame reg_frame;
+
+       wid.id = WID_REGISTER_FRAME;
+       wid.type = WID_STR;
+       wid.size = sizeof(reg_frame);
+       wid.val = (u8 *)&reg_frame;
+
+       memset(&reg_frame, 0x0, sizeof(reg_frame));
+
+       if (reg)
+               reg_frame.reg = 1;
+
+       switch (frame_type) {
+       case IEEE80211_STYPE_ACTION:
+               reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
+               break;
+
+       case IEEE80211_STYPE_PROBE_REQ:
+               reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
+               break;
+
+       default:
+               break;
+       }
+       reg_frame.frame_type = cpu_to_le16(frame_type);
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to frame register\n");
+}
+
+int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
+                   struct cfg80211_beacon_data *params)
+{
+       struct wid wid;
+       int result;
+       u8 *cur_byte;
+
+       wid.id = WID_ADD_BEACON;
+       wid.type = WID_BIN;
+       wid.size = params->head_len + params->tail_len + 16;
+       wid.val = kzalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       cur_byte = wid.val;
+       put_unaligned_le32(interval, cur_byte);
+       cur_byte += 4;
+       put_unaligned_le32(dtim_period, cur_byte);
+       cur_byte += 4;
+       put_unaligned_le32(params->head_len, cur_byte);
+       cur_byte += 4;
+
+       if (params->head_len > 0)
+               memcpy(cur_byte, params->head, params->head_len);
+       cur_byte += params->head_len;
+
+       put_unaligned_le32(params->tail_len, cur_byte);
+       cur_byte += 4;
+
+       if (params->tail_len > 0)
+               memcpy(cur_byte, params->tail, params->tail_len);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send add beacon\n");
+
+       kfree(wid.val);
+
+       return result;
+}
+
+int wilc_del_beacon(struct wilc_vif *vif)
+{
+       int result;
+       struct wid wid;
+       u8 del_beacon = 0;
+
+       wid.id = WID_DEL_BEACON;
+       wid.type = WID_CHAR;
+       wid.size = sizeof(char);
+       wid.val = &del_beacon;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send delete beacon\n");
+
+       return result;
+}
+
+int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
+                    struct station_parameters *params)
+{
+       struct wid wid;
+       int result;
+       u8 *cur_byte;
+
+       wid.id = WID_ADD_STA;
+       wid.type = WID_BIN;
+       wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len;
+       wid.val = kmalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       cur_byte = wid.val;
+       wilc_hif_pack_sta_param(cur_byte, mac, params);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result != 0)
+               netdev_err(vif->ndev, "Failed to send add station\n");
+
+       kfree(wid.val);
+
+       return result;
+}
+
+int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
+{
+       struct wid wid;
+       int result;
+
+       wid.id = WID_REMOVE_STA;
+       wid.type = WID_BIN;
+       wid.size = ETH_ALEN;
+       wid.val = kzalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       if (!mac_addr)
+               eth_broadcast_addr(wid.val);
+       else
+               ether_addr_copy(wid.val, mac_addr);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to del station\n");
+
+       kfree(wid.val);
+
+       return result;
+}
+
+int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
+{
+       struct wid wid;
+       int result;
+       int i;
+       u8 assoc_sta = 0;
+       struct wilc_del_all_sta del_sta;
+
+       memset(&del_sta, 0x0, sizeof(del_sta));
+       for (i = 0; i < WILC_MAX_NUM_STA; i++) {
+               if (!is_zero_ether_addr(mac_addr[i])) {
+                       assoc_sta++;
+                       ether_addr_copy(del_sta.mac[i], mac_addr[i]);
+               }
+       }
+
+       if (!assoc_sta)
+               return 0;
+
+       del_sta.assoc_sta = assoc_sta;
+
+       wid.id = WID_DEL_ALL_STA;
+       wid.type = WID_STR;
+       wid.size = (assoc_sta * ETH_ALEN) + 1;
+       wid.val = (u8 *)&del_sta;
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send delete all station\n");
+
+       return result;
+}
+
+int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
+                     struct station_parameters *params)
+{
+       struct wid wid;
+       int result;
+       u8 *cur_byte;
+
+       wid.id = WID_EDIT_STA;
+       wid.type = WID_BIN;
+       wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len;
+       wid.val = kmalloc(wid.size, GFP_KERNEL);
+       if (!wid.val)
+               return -ENOMEM;
+
+       cur_byte = wid.val;
+       wilc_hif_pack_sta_param(cur_byte, mac, params);
+
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send edit station\n");
+
+       kfree(wid.val);
+       return result;
+}
+
+int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
+{
+       struct wid wid;
+       int result;
+       s8 power_mode;
+
+       if (enabled)
+               power_mode = WILC_FW_MIN_FAST_PS;
+       else
+               power_mode = WILC_FW_NO_POWERSAVE;
+
+       wid.id = WID_POWER_MANAGEMENT;
+       wid.val = &power_mode;
+       wid.size = sizeof(char);
+       result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+       if (result)
+               netdev_err(vif->ndev, "Failed to send power management\n");
+
+       return result;
+}
+
+int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
+                               u8 *mc_list)
+{
+       int result;
+       struct host_if_msg *msg;
+
+       msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
+       if (IS_ERR(msg))
+               return PTR_ERR(msg);
+
+       msg->body.mc_info.enabled = enabled;
+       msg->body.mc_info.cnt = count;
+       msg->body.mc_info.mc_list = mc_list;
+
+       result = wilc_enqueue_work(msg);
+       if (result) {
+               netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
+               kfree(msg);
+       }
+       return result;
+}
+
+int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
+{
+       struct wid wid;
+
+       wid.id = WID_TX_POWER;
+       wid.type = WID_CHAR;
+       wid.val = &tx_power;
+       wid.size = sizeof(char);
+
+       return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
+}
+
+int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
+{
+       struct wid wid;
+
+       wid.id = WID_TX_POWER;
+       wid.type = WID_CHAR;
+       wid.val = tx_power;
+       wid.size = sizeof(char);
+
+       return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
+}
-- 
2.24.0
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