#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 host_if_wowlan_trigger {
u8 wowlan_trigger;
};
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_wowlan_trigger wow_trigger;
};
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;
};
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_obj(*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;
}
int wilc_get_vif_idx(struct wilc_vif *vif)
{
return vif->idx + 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;
wilc_for_each_vif(wilc, vif) {
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->priv);
scan_req->scan_result = NULL;
}
return result;
}
int wilc_scan(struct wilc_vif *vif, u8 scan_source,
u8 scan_type, u8 *ch_freq_list,
void (*scan_result_fn)(enum scan_event,
struct wilc_rcvd_net_info *,
struct wilc_priv *),
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;
u32 valuesize = 0;
u8 *search_ssid_vals = NULL;
const u8 ch_list_len = request->n_channels;
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.priv = &vif->priv;
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[5];
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_SET_MFP;
wid_list[wid_cnt].type = WID_CHAR;
wid_list[wid_cnt].size = sizeof(char);
wid_list[wid_cnt].val = (s8 *)&conn_attr->mfp_type;
wid_cnt++;
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 {
if (conn_attr->auth_type == WILC_FW_AUTH_SAE)
hif_drv->hif_state = HOST_IF_EXTERNAL_AUTH;
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.priv);
} 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);
}
struct wilc_join_bss_param *
wilc_parse_join_bss_param(struct cfg80211_bss *bss,
struct cfg80211_crypto_settings *crypto)
{
const u8 *ies_data, *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
struct ieee80211_p2p_noa_attr noa_attr;
const struct cfg80211_bss_ies *ies;
struct wilc_join_bss_param *param;
u8 rates_len = 0;
int ies_len;
u64 ies_tsf;
int ret;
param = kzalloc_obj(*param);
if (!param)
return NULL;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
if (!ies_data) {
rcu_read_unlock();
kfree(param);
return NULL;
}
ies_len = ies->len;
ies_tsf = ies->tsf;
rcu_read_unlock();
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 rsn_ie_len = sizeof(struct element) + rsn_ie[1];
int offset = 8;
param->mode_802_11i = 2;
param->rsn_found = true;
if (offset < rsn_ie_len) {
offset += (rsn_ie[offset] * 4) + 2;
if (offset < rsn_ie_len) {
offset += (rsn_ie[offset] * 4) + 2;
if (offset + 1 < rsn_ie_len)
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;
}
kfree(ies_data);
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->priv);
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);
}
}
timer_delete(&hif_drv->connect_timer);
conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
hif_drv->conn_info.priv);
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;
}
void wilc_handle_disconnect(struct wilc_vif *vif)
{
struct host_if_drv *hif_drv = vif->hif_drv;
if (hif_drv->usr_scan_req.scan_result) {
timer_delete(&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.priv);
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_EXTERNAL_AUTH) {
cfg80211_external_auth_request(vif->ndev, &vif->auth,
GFP_KERNEL);
hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
} else 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) {
wilc_handle_disconnect(vif);
} else if (hif_drv->usr_scan_req.scan_result) {
timer_delete(&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) {
timer_delete(&hif_drv->scan_timer);
scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->priv);
scan_req->scan_result = NULL;
}
if (conn_info->conn_result) {
if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
timer_delete(&hif_drv->connect_timer);
conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
conn_info->priv);
} 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->link_sta_params.supported_rates_len;
if (params->link_sta_params.supported_rates_len > 0)
memcpy(cur_byte, params->link_sta_params.supported_rates,
params->link_sta_params.supported_rates_len);
cur_byte += params->link_sta_params.supported_rates_len;
if (params->link_sta_params.ht_capa) {
*cur_byte++ = true;
memcpy(cur_byte, params->link_sta_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.vif = hif_remain_ch->vif;
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.vif,
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 = timer_container_of(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;
timer_delete(&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);
}
void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
{
int ret;
struct wid wid;
u8 wowlan_trigger = 0;
if (enabled)
wowlan_trigger = 1;
wid.id = WID_WOWLAN_TRIGGER;
wid.type = WID_CHAR;
wid.val = &wowlan_trigger;
wid.size = sizeof(char);
ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
if (ret)
pr_err("Failed to send wowlan trigger config packet\n");
}
int wilc_set_external_auth_param(struct wilc_vif *vif,
struct cfg80211_external_auth_params *auth)
{
int ret;
struct wid wid;
struct wilc_external_auth_param *param;
wid.id = WID_EXTERNAL_AUTH_PARAM;
wid.type = WID_BIN_DATA;
wid.size = sizeof(*param);
param = kzalloc_obj(*param);
if (!param)
return -EINVAL;
wid.val = (u8 *)param;
param->action = auth->action;
ether_addr_copy(param->bssid, auth->bssid);
memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
param->ssid_len = auth->ssid.ssid_len;
ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
kfree(param);
return ret;
}
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);
timer_delete(&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 = timer_container_of(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 = timer_container_of(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_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_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
{
int result = 0;
u8 t_key_len = igtk_key_len;
struct wid wid;
struct wilc_wpa_igtk *key_buf;
key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
if (!key_buf)
return -ENOMEM;
key_buf->index = index;
memcpy(&key_buf->pn[0], pn, pn_len);
key_buf->pn_len = pn_len;
memcpy(&key_buf->key[0], igtk, igtk_key_len);
key_buf->key_len = t_key_len;
wid.id = WID_ADD_IGTK;
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;
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_mac_address(struct wilc_vif *vif, const u8 *mac_addr)
{
struct wid wid;
int result;
wid.id = WID_MAC_ADDR;
wid.type = WID_STR;
wid.size = ETH_ALEN;
wid.val = (u8 *)mac_addr;
result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
if (result)
netdev_err(vif->ndev, "Failed to set 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 = timer_container_of(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);
hif_drv = kzalloc_obj(*hif_drv);
if (!hif_drv)
return -ENOMEM;
*hif_drv_handler = hif_drv;
vif->hif_drv = hif_drv;
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;
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);
timer_shutdown_sync(&hif_drv->scan_timer);
timer_shutdown_sync(&hif_drv->connect_timer);
timer_delete_sync(&vif->periodic_rssi);
timer_shutdown_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.priv);
hif_drv->usr_scan_req.scan_result = NULL;
}
hif_drv->hif_state = HOST_IF_IDLE;
kfree(hif_drv);
vif->hif_drv = NULL;
mutex_unlock(&vif->wilc->deinit_lock);
return result;
}
void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
{
struct host_if_drv *hif_drv;
struct host_if_msg *msg;
struct wilc_vif *vif;
int srcu_idx;
int result;
int id;
id = get_unaligned_le32(&buffer[length - 4]);
srcu_idx = srcu_read_lock(&wilc->srcu);
vif = wilc_get_vif_from_idx(wilc, id);
if (!vif)
goto out;
hif_drv = vif->hif_drv;
if (!hif_drv) {
netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
goto out;
}
msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
if (IS_ERR(msg))
goto out;
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);
goto out;
}
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);
}
out:
srcu_read_unlock(&wilc->srcu, srcu_idx);
}
void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
{
struct host_if_drv *hif_drv;
struct host_if_msg *msg;
struct wilc_vif *vif;
int srcu_idx;
int result;
int id;
mutex_lock(&wilc->deinit_lock);
id = get_unaligned_le32(&buffer[length - 4]);
srcu_idx = srcu_read_lock(&wilc->srcu);
vif = wilc_get_vif_from_idx(wilc, id);
if (!vif)
goto out;
hif_drv = vif->hif_drv;
if (!hif_drv) {
goto out;
}
if (!hif_drv->conn_info.conn_result) {
netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
goto out;
}
msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
if (IS_ERR(msg))
goto out;
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);
}
out:
srcu_read_unlock(&wilc->srcu, srcu_idx);
mutex_unlock(&wilc->deinit_lock);
}
void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
{
struct host_if_drv *hif_drv;
struct wilc_vif *vif;
int srcu_idx;
int result;
int id;
id = get_unaligned_le32(&buffer[length - 4]);
srcu_idx = srcu_read_lock(&wilc->srcu);
vif = wilc_get_vif_from_idx(wilc, id);
if (!vif)
goto out;
hif_drv = vif->hif_drv;
if (!hif_drv) {
goto out;
}
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))
goto out;
result = wilc_enqueue_work(msg);
if (result) {
netdev_err(vif->ndev, "%s: enqueue work failed\n",
__func__);
kfree(msg);
}
}
out:
srcu_read_unlock(&wilc->srcu, srcu_idx);
}
int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, u16 chan,
void (*expired)(struct wilc_vif *, u64))
{
struct wilc_remain_ch roc;
int result;
roc.ch = chan;
roc.expired = expired;
roc.vif = vif;
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;
}
timer_delete(&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;
case IEEE80211_STYPE_AUTH:
reg_frame.reg_id = WILC_FW_AUTH_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->link_sta_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->link_sta_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 wilc *wilc = vif->wilc;
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");
else
wilc->power_save_mode = enabled;
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);
}
int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
{
struct wid wid;
int result;
wid.id = WID_DEFAULT_MGMT_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 default mgmt key index\n");
return result;
}
