/*
* CFG802.11 operation handler for scan request.
*
* This function issues a scan request to the firmware based upon
* the user specified scan configuration. On successfull completion,
* it also informs the results.
*/
static int
mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_scan_request *request)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int i;
struct ieee80211_channel *chan;
wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
priv->scan_request = request;
priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
GFP_KERNEL);
if (!priv->user_scan_cfg) {
dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
return -ENOMEM;
}
priv->user_scan_cfg->num_ssids = request->n_ssids;
priv->user_scan_cfg->ssid_list = request->ssids;
for (i = 0; i < request->n_channels; i++) {
chan = request->channels[i];
priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
priv->user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
priv->user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_ACTIVE;
priv->user_scan_cfg->chan_list[i].scan_time = 0;
}
if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
return -EFAULT;
return 0;
}
/*
* CFG802.11 operation handler for scan request.
*
* This function issues a scan request to the firmware based upon
* the user specified scan configuration. On successfull completion,
* it also informs the results.
*/
static int
mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_scan_request *request)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int i;
struct ieee80211_channel *chan;
wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
priv->scan_request = request;
priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
GFP_KERNEL);
if (!priv->user_scan_cfg) {
dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
return -ENOMEM;
}
priv->user_scan_cfg->num_ssids = request->n_ssids;
priv->user_scan_cfg->ssid_list = request->ssids;
if (request->ie && request->ie_len) {
for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
continue;
priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
memcpy(&priv->vs_ie[i].ie, request->ie,
request->ie_len);
break;
}
}
for (i = 0; i < min_t(u32, request->n_channels,
MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
chan = request->channels[i];
priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
priv->user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
priv->user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_ACTIVE;
priv->user_scan_cfg->chan_list[i].scan_time = 0;
}
if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
return -EFAULT;
if (request->ie && request->ie_len) {
for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
memset(&priv->vs_ie[i].ie, 0,
MWIFIEX_MAX_VSIE_LEN);
}
}
}
return 0;
}
/*
* This function handles the result of different pending network operations.
*
* The following operations are handled and CFG802.11 subsystem is
* notified accordingly -
* - Scan request completion
* - Association request completion
* - IBSS join request completion
* - Disconnect request completion
*/
void
mwifiex_cfg80211_results(struct work_struct *work)
{
struct mwifiex_private *priv =
container_of(work, struct mwifiex_private, cfg_workqueue);
struct mwifiex_user_scan_cfg *scan_req;
int ret = 0, i;
struct ieee80211_channel *chan;
if (priv->scan_request) {
scan_req = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
GFP_KERNEL);
if (!scan_req) {
dev_err(priv->adapter->dev, "failed to alloc "
"scan_req\n");
return;
}
for (i = 0; i < priv->scan_request->n_ssids; i++) {
memcpy(scan_req->ssid_list[i].ssid,
priv->scan_request->ssids[i].ssid,
priv->scan_request->ssids[i].ssid_len);
scan_req->ssid_list[i].max_len =
priv->scan_request->ssids[i].ssid_len;
}
for (i = 0; i < priv->scan_request->n_channels; i++) {
chan = priv->scan_request->channels[i];
scan_req->chan_list[i].chan_number = chan->hw_value;
scan_req->chan_list[i].radio_type = chan->band;
if (chan->flags & IEEE80211_CHAN_DISABLED)
scan_req->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
scan_req->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_ACTIVE;
scan_req->chan_list[i].scan_time = 0;
}
if (mwifiex_set_user_scan_ioctl(priv, scan_req)) {
ret = -EFAULT;
goto done;
}
if (mwifiex_inform_bss_from_scan_result(priv, NULL))
ret = -EFAULT;
done:
priv->scan_result_status = ret;
dev_dbg(priv->adapter->dev, "info: %s: sending scan results\n",
__func__);
cfg80211_scan_done(priv->scan_request,
(priv->scan_result_status < 0));
priv->scan_request = NULL;
kfree(scan_req);
}
if (priv->assoc_request == 1) {
if (!priv->assoc_result) {
cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
NULL, 0, NULL, 0,
WLAN_STATUS_SUCCESS,
GFP_KERNEL);
dev_dbg(priv->adapter->dev,
"info: associated to bssid %pM successfully\n",
priv->cfg_bssid);
} else {
dev_dbg(priv->adapter->dev,
"info: association to bssid %pM failed\n",
priv->cfg_bssid);
memset(priv->cfg_bssid, 0, ETH_ALEN);
}
priv->assoc_request = 0;
priv->assoc_result = 0;
}
if (priv->ibss_join_request == 1) {
if (!priv->ibss_join_result) {
cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
GFP_KERNEL);
dev_dbg(priv->adapter->dev,
"info: joined/created adhoc network with bssid"
" %pM successfully\n", priv->cfg_bssid);
} else {
dev_dbg(priv->adapter->dev,
"info: failed creating/joining adhoc network\n");
}
priv->ibss_join_request = 0;
priv->ibss_join_result = 0;
}
if (priv->disconnect) {
memset(priv->cfg_bssid, 0, ETH_ALEN);
priv->disconnect = 0;
}
}
