new file mode 100644
@@ -0,0 +1,1959 @@
+// 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
+
+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[5];
+ 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(¶m->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(¶m->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(>k_key->key[0], rx_gtk, gtk_key_len);
+
+ if (rx_mic)
+ memcpy(>k_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
+
+ if (tx_mic)
+ memcpy(>k_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 *)¶m->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 *)¶m->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 *)¶m->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 *)¶m->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 *)®_frame;
+
+ memset(®_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);
+}