static int p80211wext_giwscan(netdevice_t *dev,
struct iw_request_info *info,
struct iw_point *srq, char *extra)
{
wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
p80211msg_dot11req_scan_results_t msg;
int result = 0;
int err = 0;
int i = 0;
int scan_good = 0;
char *current_ev = extra;
DBFENTER;
/* Since wireless tools doesn't really have a way of passing how
* many scan results results there were back here, keep grabbing them
* until we fail.
*/
do {
memset(&msg, 0, sizeof(msg));
msg.msgcode = DIDmsg_dot11req_scan_results;
msg.bssindex.data = i;
result = p80211req_dorequest(wlandev, (UINT8*)&msg);
if ((result != 0) ||
(msg.resultcode.data != P80211ENUM_resultcode_success)) {
break;
}
current_ev = wext_translate_bss(current_ev, extra + IW_SCAN_MAX_DATA, &msg);
scan_good = 1;
i++;
} while (i < IW_MAX_AP);
srq->length = (current_ev - extra);
srq->flags = 0; /* todo */
if (result && !scan_good)
err = prism2_result2err (msg.resultcode.data);
DBFEXIT;
return err;
}
static int p80211wext_siwscan(netdevice_t *dev,
struct iw_request_info *info,
struct iw_point *srq, char *extra)
{
wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
p80211msg_dot11req_scan_t msg;
int result;
int err = 0;
int i = 0;
DBFENTER;
if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
WLAN_LOG_ERROR("Can't scan in AP mode\n");
err = (-EOPNOTSUPP);
goto exit;
}
memset(&msg, 0x00, sizeof(p80211msg_dot11req_scan_t));
msg.msgcode = DIDmsg_dot11req_scan;
msg.bsstype.data = P80211ENUM_bsstype_any;
memset(&(msg.bssid.data), 0xFF, sizeof (p80211item_pstr6_t));
msg.bssid.data.len = 6;
msg.scantype.data = P80211ENUM_scantype_active;
msg.probedelay.data = 0;
for (i = 0; i < 14; i++)
msg.channellist.data.data[i] = i;
msg.channellist.data.len = 14;
msg.maxchanneltime.data = 250;
msg.minchanneltime.data = 200;
result = p80211req_dorequest(wlandev, (UINT8*)&msg);
if (result)
err = prism2_result2err (msg.resultcode.data);
exit:
DBFEXIT;
return err;
}
static int prism2_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct net_device *dev;
struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
struct wlandevice *wlandev;
struct p80211msg_dot11req_scan msg1;
struct p80211msg_dot11req_scan_results msg2;
struct cfg80211_bss *bss;
struct cfg80211_scan_info info = {};
int result;
int err = 0;
int numbss = 0;
int i = 0;
u8 ie_buf[46];
int ie_len;
if (!request)
return -EINVAL;
dev = request->wdev->netdev;
wlandev = dev->ml_priv;
if (priv->scan_request && priv->scan_request != request)
return -EBUSY;
if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
netdev_err(dev, "Can't scan in AP mode\n");
return -EOPNOTSUPP;
}
priv->scan_request = request;
memset(&msg1, 0x00, sizeof(msg1));
msg1.msgcode = DIDMSG_DOT11REQ_SCAN;
msg1.bsstype.data = P80211ENUM_bsstype_any;
memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data));
msg1.bssid.data.len = 6;
if (request->n_ssids > 0) {
msg1.scantype.data = P80211ENUM_scantype_active;
msg1.ssid.data.len = request->ssids->ssid_len;
memcpy(msg1.ssid.data.data,
request->ssids->ssid, request->ssids->ssid_len);
} else {
msg1.scantype.data = 0;
}
msg1.probedelay.data = 0;
for (i = 0;
(i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
i++)
msg1.channellist.data.data[i] =
ieee80211_frequency_to_channel(
request->channels[i]->center_freq);
msg1.channellist.data.len = request->n_channels;
msg1.maxchanneltime.data = 250;
msg1.minchanneltime.data = 200;
result = p80211req_dorequest(wlandev, (u8 *)&msg1);
if (result) {
err = prism2_result2err(msg1.resultcode.data);
goto exit;
}
/* Now retrieve scan results */
numbss = msg1.numbss.data;
for (i = 0; i < numbss; i++) {
int freq;
memset(&msg2, 0, sizeof(msg2));
msg2.msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS;
msg2.bssindex.data = i;
result = p80211req_dorequest(wlandev, (u8 *)&msg2);
if ((result != 0) ||
(msg2.resultcode.data != P80211ENUM_resultcode_success)) {
break;
}
ie_buf[0] = WLAN_EID_SSID;
ie_buf[1] = msg2.ssid.data.len;
ie_len = ie_buf[1] + 2;
memcpy(&ie_buf[2], &msg2.ssid.data.data, msg2.ssid.data.len);
freq = ieee80211_channel_to_frequency(msg2.dschannel.data,
NL80211_BAND_2GHZ);
bss = cfg80211_inform_bss(wiphy,
ieee80211_get_channel(wiphy, freq),
CFG80211_BSS_FTYPE_UNKNOWN,
(const u8 *)&msg2.bssid.data.data,
msg2.timestamp.data, msg2.capinfo.data,
msg2.beaconperiod.data,
ie_buf,
ie_len,
(msg2.signal.data - 65536) * 100, /* Conversion to signed type */
GFP_KERNEL
);
if (!bss) {
err = -ENOMEM;
goto exit;
}
cfg80211_put_bss(wiphy, bss);
}
if (result)
err = prism2_result2err(msg2.resultcode.data);
exit:
info.aborted = !!(err);
cfg80211_scan_done(request, &info);
priv->scan_request = NULL;
return err;
}
int prism2_scan(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_scan_request *request)
{
struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
wlandevice_t *wlandev = dev->ml_priv;
struct p80211msg_dot11req_scan msg1;
struct p80211msg_dot11req_scan_results msg2;
int result;
int err = 0;
int numbss = 0;
int i = 0;
u8 ie_buf[46];
int ie_len;
if (!request)
return -EINVAL;
if (priv->scan_request && priv->scan_request != request)
return -EBUSY;
if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
printk(KERN_ERR "Can't scan in AP mode\n");
return -EOPNOTSUPP;
}
priv->scan_request = request;
memset(&msg1, 0x00, sizeof(struct p80211msg_dot11req_scan));
msg1.msgcode = DIDmsg_dot11req_scan;
msg1.bsstype.data = P80211ENUM_bsstype_any;
memset(&(msg1.bssid.data), 0xFF, sizeof(p80211item_pstr6_t));
msg1.bssid.data.len = 6;
if (request->n_ssids > 0) {
msg1.scantype.data = P80211ENUM_scantype_active;
msg1.ssid.data.len = request->ssids->ssid_len;
memcpy(msg1.ssid.data.data, request->ssids->ssid, request->ssids->ssid_len);
} else {
msg1.scantype.data = 0;
}
msg1.probedelay.data = 0;
for (i = 0;
(i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
i++)
msg1.channellist.data.data[i] =
ieee80211_frequency_to_channel(request->channels[i]->center_freq);
msg1.channellist.data.len = request->n_channels;
msg1.maxchanneltime.data = 250;
msg1.minchanneltime.data = 200;
result = p80211req_dorequest(wlandev, (u8 *) &msg1);
if (result) {
err = prism2_result2err(msg1.resultcode.data);
goto exit;
}
/* Now retrieve scan results */
numbss = msg1.numbss.data;
for (i = 0; i < numbss; i++) {
memset(&msg2, 0, sizeof(msg2));
msg2.msgcode = DIDmsg_dot11req_scan_results;
msg2.bssindex.data = i;
result = p80211req_dorequest(wlandev, (u8 *) &msg2);
if ((result != 0) ||
(msg2.resultcode.data != P80211ENUM_resultcode_success)) {
break;
}
ie_buf[0] = WLAN_EID_SSID;
ie_buf[1] = msg2.ssid.data.len;
ie_len = ie_buf[1] + 2;
memcpy(&ie_buf[2], &(msg2.ssid.data.data), msg2.ssid.data.len);
cfg80211_inform_bss(wiphy,
ieee80211_get_channel(wiphy, ieee80211_dsss_chan_to_freq(msg2.dschannel.data)),
(const u8 *) &(msg2.bssid.data.data),
msg2.timestamp.data, msg2.capinfo.data,
msg2.beaconperiod.data,
ie_buf,
ie_len,
(msg2.signal.data - 65536) * 100, /* Conversion to signed type */
GFP_KERNEL
);
}
if (result)
err = prism2_result2err(msg2.resultcode.data);
exit:
cfg80211_scan_done(request, err ? 1 : 0);
priv->scan_request = NULL;
return err;
}
