/*
* Wireless Handler : get scan results
*/
int iwctl_giwscan(struct net_device *dev, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_point *wrq = &wrqu->data;
int ii;
int jj;
int kk;
struct vnt_private *pDevice = netdev_priv(dev);
struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
PKnownBSS pBSS;
PWLAN_IE_SSID pItemSSID;
PWLAN_IE_SUPP_RATES pSuppRates;
PWLAN_IE_SUPP_RATES pExtSuppRates;
char *current_ev = extra;
char *end_buf = extra + IW_SCAN_MAX_DATA;
char *current_val = NULL;
struct iw_event iwe;
long ldBm;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWSCAN\n");
if (pMgmt == NULL)
return -EFAULT;
if (pMgmt->eScanState == WMAC_IS_SCANNING) {
// In scanning..
return -EAGAIN;
}
pBSS = &(pMgmt->sBSSList[0]);
for (ii = 0, jj = 0; jj < MAX_BSS_NUM; jj++) {
if (current_ev >= end_buf)
break;
pBSS = &(pMgmt->sBSSList[jj]);
if (pBSS->bActive) {
// ADD mac address
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, pBSS->abyBSSID, WLAN_BSSID_LEN);
current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
// ADD ssid
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWESSID;
pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
iwe.u.data.length = pItemSSID->len;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pItemSSID->abySSID);
// ADD mode
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWMODE;
if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo))
iwe.u.mode = IW_MODE_INFRA;
else
iwe.u.mode = IW_MODE_ADHOC;
iwe.len = IW_EV_UINT_LEN;
current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
// ADD frequency
pSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abySuppRates;
pExtSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abyExtSuppRates;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = pBSS->uChannel;
iwe.u.freq.e = 0;
iwe.u.freq.i = 0;
current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
{
int f = (int)pBSS->uChannel - 1;
if (f < 0)
f = 0;
iwe.u.freq.m = frequency_list[f] * 100000;
iwe.u.freq.e = 1;
}
current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
// ADD quality
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVQUAL;
RFvRSSITodBm(pDevice, (u8)(pBSS->uRSSI), &ldBm);
iwe.u.qual.level = ldBm;
iwe.u.qual.noise = 0;
if (-ldBm < 50)
iwe.u.qual.qual = 100;
else if (-ldBm > 90)
iwe.u.qual.qual = 0;
else
iwe.u.qual.qual = (40 - (-ldBm - 50)) * 100 / 40;
iwe.u.qual.updated = 7;
current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
// ADD encryption
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWENCODE;
iwe.u.data.length = 0;
if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo))
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pItemSSID->abySSID);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
current_val = current_ev + IW_EV_LCP_LEN;
for (kk = 0; kk < 12; kk++) {
if (pSuppRates->abyRates[kk] == 0)
break;
// Bit rate given in 500 kb/s units (+ 0x80)
iwe.u.bitrate.value = ((pSuppRates->abyRates[kk] & 0x7f) * 500000);
current_val = iwe_stream_add_value(info, current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
}
for (kk = 0; kk < 8; kk++) {
if (pExtSuppRates->abyRates[kk] == 0)
break;
// Bit rate given in 500 kb/s units (+ 0x80)
iwe.u.bitrate.value = ((pExtSuppRates->abyRates[kk] & 0x7f) * 500000);
current_val = iwe_stream_add_value(info, current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
}
if ((current_val - current_ev) > IW_EV_LCP_LEN)
current_ev = current_val;
if ((pBSS->wWPALen > 0) && (pBSS->wWPALen <= MAX_WPA_IE_LEN)) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = pBSS->wWPALen;
current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pBSS->byWPAIE);
}
if ((pBSS->wRSNLen > 0) && (pBSS->wRSNLen <= MAX_WPA_IE_LEN)) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = pBSS->wRSNLen;
current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pBSS->byRSNIE);
}
}
} // for
wrq->length = current_ev - extra;
return 0;
}
static eHalStatus hdd_IndicateScanResult(hdd_scan_info_t *scanInfo, tCsrScanResultInfo *scan_result)
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(scanInfo->dev) ;
tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
tSirBssDescription *descriptor = &scan_result->BssDescriptor;
struct iw_event event;
char *current_event = scanInfo->start;
char *end = scanInfo->end;
char *last_event;
char *current_pad;
v_U16_t ie_length = 0;
v_U16_t capabilityInfo;
char *modestr;
int error;
char custom[MAX_CUSTOM_LEN];
char *p;
hddLog( LOG1, "hdd_IndicateScanResult %02x:%02x:%02x:%02x:%02x:%02x",
descriptor->bssId[0],
descriptor->bssId[1],
descriptor->bssId[2],
descriptor->bssId[3],
descriptor->bssId[4],
descriptor->bssId[5]);
error = 0;
last_event = current_event;
vos_mem_zero(&event, sizeof (event));
event.cmd = SIOCGIWAP;
event.u.ap_addr.sa_family = ARPHRD_ETHER;
vos_mem_copy (event.u.ap_addr.sa_data, descriptor->bssId,
sizeof (descriptor->bssId));
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_ADDR_LEN);
if (last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWAP ");
return -E2BIG;
}
last_event = current_event;
vos_mem_zero(&event, sizeof (struct iw_event));
event.cmd = SIOCGIWNAME;
switch (descriptor->nwType)
{
case eSIR_11A_NW_TYPE:
modestr = "a";
break;
case eSIR_11B_NW_TYPE:
modestr = "b";
break;
case eSIR_11G_NW_TYPE:
modestr = "g";
break;
case eSIR_11N_NW_TYPE:
modestr = "n";
break;
default:
hddLog( LOGW, "%s: Unknown network type [%d]",
__func__, descriptor->nwType);
modestr = "?";
break;
}
snprintf(event.u.name, IFNAMSIZ, "IEEE 802.11%s", modestr);
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_CHAR_LEN);
if (last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWNAME");
return -E2BIG;
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
event.cmd = SIOCGIWFREQ;
event.u.freq.m = descriptor->channelId;
event.u.freq.e = 0;
event.u.freq.i = 0;
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_FREQ_LEN);
if (last_event == current_event)
{
return -E2BIG;
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
event.cmd = SIOCGIWMODE;
capabilityInfo = descriptor->capabilityInfo;
if (SIR_MAC_GET_ESS(capabilityInfo))
{
event.u.mode = IW_MODE_INFRA;
}
else if (SIR_MAC_GET_IBSS(capabilityInfo))
{
event.u.mode = IW_MODE_ADHOC;
}
else
{
event.u.mode = IW_MODE_AUTO;
}
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_UINT_LEN);
if (last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWMODE");
return -E2BIG;
}
ie_length = GET_IE_LEN_IN_BSS( descriptor->length );
if (ie_length > 0)
{
static tDot11fBeaconIEs dot11BeaconIEs;
tDot11fIESSID *pDot11SSID;
tDot11fIESuppRates *pDot11SuppRates;
tDot11fIEExtSuppRates *pDot11ExtSuppRates;
tDot11fIEHTCaps *pDot11IEHTCaps;
int numBasicRates = 0;
int maxNumRates = 0;
pDot11IEHTCaps = NULL;
dot11fUnpackBeaconIEs ((tpAniSirGlobal)
hHal, (tANI_U8 *) descriptor->ieFields, ie_length, &dot11BeaconIEs);
pDot11SSID = &dot11BeaconIEs.SSID;
if (pDot11SSID->present ) {
last_event = current_event;
vos_mem_zero (&event, sizeof (struct iw_event));
event.cmd = SIOCGIWESSID;
event.u.data.flags = 1;
event.u.data.length = scan_result->ssId.length;
current_event = iwe_stream_add_point (scanInfo->info,current_event, end,
&event, (char *)scan_result->ssId.ssId);
if(last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWESSID");
return -E2BIG;
}
}
if( hdd_GetWPARSNIEs( ( tANI_U8 *) descriptor->ieFields, ie_length, &last_event, ¤t_event, scanInfo ) < 0 )
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWESSID");
return -E2BIG;
}
last_event = current_event;
current_pad = current_event + IW_EV_LCP_LEN;
vos_mem_zero( &event, sizeof (struct iw_event));
event.cmd = SIOCGIWRATE;
pDot11SuppRates = &dot11BeaconIEs.SuppRates;
if (pDot11SuppRates->present )
{
int i;
numBasicRates = pDot11SuppRates->num_rates;
for (i=0; i<pDot11SuppRates->num_rates; i++)
{
if (0 != (pDot11SuppRates->rates[i] & 0x7F))
{
event.u.bitrate.value = hdd_TranslateABGRateToMbpsRate (
&pDot11SuppRates->rates[i]);
current_pad = iwe_stream_add_value (scanInfo->info,current_event,
current_pad, end, &event, IW_EV_PARAM_LEN);
}
}
}
pDot11ExtSuppRates = &dot11BeaconIEs.ExtSuppRates;
if (pDot11ExtSuppRates->present )
{
int i,no_of_rates;
maxNumRates = numBasicRates + pDot11ExtSuppRates->num_rates;
maxNumRates = VOS_MIN(maxNumRates , IW_MAX_BITRATES);
if((maxNumRates - numBasicRates) > MAX_RATES)
{
no_of_rates = MAX_RATES;
hddLog( LOGW, "Accessing array out of bound that array is pDot11ExtSuppRates->rates ");
}
else
{
no_of_rates = maxNumRates - numBasicRates;
}
for ( i=0; i< no_of_rates ; i++ )
{
if (0 != (pDot11ExtSuppRates->rates[i] & 0x7F))
{
event.u.bitrate.value = hdd_TranslateABGRateToMbpsRate (
&pDot11ExtSuppRates->rates[i]);
current_pad = iwe_stream_add_value (scanInfo->info,current_event,
current_pad, end, &event, IW_EV_PARAM_LEN);
}
}
}
if ((current_pad - current_event) >= IW_EV_LCP_LEN)
{
current_event = current_pad;
}
else
{
if (last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for SIOCGIWRATE");
return -E2BIG;
}
}
last_event = current_event;
vos_mem_zero (&event, sizeof (struct iw_event));
event.cmd = SIOCGIWENCODE;
if (SIR_MAC_GET_PRIVACY(capabilityInfo))
{
event.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
}
else
{
event.u.data.flags = IW_ENCODE_DISABLED;
}
event.u.data.length = 0;
current_event = iwe_stream_add_point(scanInfo->info,current_event, end, &event, (char *)pDot11SSID->ssid);
if(last_event == current_event)
{
return -E2BIG;
}
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
event.cmd = IWEVQUAL;
event.u.qual.qual = descriptor->rssi;
event.u.qual.noise = descriptor->sinr;
if (( eConnectionState_Associated ==
pAdapter->sessionCtx.station.conn_info.connState ) &&
( VOS_TRUE == vos_mem_compare(descriptor->bssId,
pAdapter->sessionCtx.station.conn_info.bssId,
WNI_CFG_BSSID_LEN)))
{
event.u.qual.level = pAdapter->rssi;
}
else
{
event.u.qual.level = VOS_MIN ((descriptor->rssi + descriptor->sinr), 0);
}
event.u.qual.updated = IW_QUAL_ALL_UPDATED;
current_event = iwe_stream_add_event(scanInfo->info,current_event,
end, &event, IW_EV_QUAL_LEN);
if(last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for IWEVQUAL");
return -E2BIG;
}
event.cmd = IWEVCUSTOM;
p = custom;
p += scnprintf(p, MAX_CUSTOM_LEN, " Age: %lu",
vos_timer_get_system_ticks() - descriptor->nReceivedTime);
event.u.data.length = p - custom;
current_event = iwe_stream_add_point (scanInfo->info,current_event, end,
&event, custom);
if(last_event == current_event)
{
hddLog( LOGW, "hdd_IndicateScanResult: no space for IWEVCUSTOM (age)");
return -E2BIG;
}
scanInfo->start = current_event;
return 0;
}
static int wlcompat_get_scan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
wl_scan_results_t *results = (wl_scan_results_t *) buf;
wl_bss_info_t *bss_info;
char *info_ptr;
char *current_ev = extra;
char *current_val;
char *end_buf = extra + IW_SCAN_MAX_DATA;
struct iw_event iwe;
int i, j;
if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
return -EAGAIN;
bss_info = &(results->bss_info[0]);
info_ptr = (char *) bss_info;
for (i = 0; i < results->count; i++) {
/* send the cell address (must be sent first) */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
/* send the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.length = bss_info->SSID_len;
if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
iwe.u.data.length = IW_ESSID_MAX_SIZE;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
/* send frequency/channel info */
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.e = 0;
iwe.u.freq.m = bss_info->channel;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
/* add quality statistics */
iwe.cmd = IWEVQUAL;
iwe.u.qual.level = bss_info->RSSI;
iwe.u.qual.noise = bss_info->phy_noise;
iwe.u.qual.qual = 0;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
/* send rate information */
iwe.cmd = SIOCGIWRATE;
current_val = current_ev + IW_EV_LCP_LEN;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
for(j = 0 ; j < bss_info->rateset.count ; j++) {
iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
}
if((current_val - current_ev) > IW_EV_LCP_LEN)
current_ev = current_val;
info_ptr += sizeof(wl_bss_info_t);
if (bss_info->ie_length % 4)
info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
else
info_ptr += bss_info->ie_length;
bss_info = (wl_bss_info_t *) info_ptr;
}
wrqu->data.length = (current_ev - extra);
wrqu->data.flags = 0;
return 0;
}
static eHalStatus hdd_IndicateScanResult(hdd_scan_info_t *scanInfo, tCsrScanResultInfo *scan_result)
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(scanInfo->dev) ;
tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
tSirBssDescription *descriptor = &scan_result->BssDescriptor;
struct iw_event event;
char *current_event = scanInfo->start;
char *end = scanInfo->end;
char *last_event;
char *current_pad;
v_U16_t ie_length = 0;
v_U16_t capabilityInfo;
char *modestr;
int error;
char custom[MAX_CUSTOM_LEN];
char *p;
hddLog( LOG1, "hdd_IndicateScanResult " MAC_ADDRESS_STR,
MAC_ADDR_ARRAY(descriptor->bssId));
error = 0;
last_event = current_event;
vos_mem_zero(&event, sizeof (event));
/* BSSID */
event.cmd = SIOCGIWAP;
event.u.ap_addr.sa_family = ARPHRD_ETHER;
vos_mem_copy (event.u.ap_addr.sa_data, descriptor->bssId,
sizeof (descriptor->bssId));
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_ADDR_LEN);
if (last_event == current_event)
{
/* no space to add event */
/* Error code may be E2BIG */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWAP ");
return -E2BIG;
}
last_event = current_event;
vos_mem_zero(&event, sizeof (struct iw_event));
/* Protocol Name */
event.cmd = SIOCGIWNAME;
switch (descriptor->nwType)
{
case eSIR_11A_NW_TYPE:
modestr = "a";
break;
case eSIR_11B_NW_TYPE:
modestr = "b";
break;
case eSIR_11G_NW_TYPE:
modestr = "g";
break;
case eSIR_11N_NW_TYPE:
modestr = "n";
break;
default:
hddLog( LOGW, "%s: Unknown network type [%d]",
__func__, descriptor->nwType);
modestr = "?";
break;
}
snprintf(event.u.name, IFNAMSIZ, "IEEE 802.11%s", modestr);
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_CHAR_LEN);
if (last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWNAME");
/* Error code, may be E2BIG */
return -E2BIG;
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
/*Freq*/
event.cmd = SIOCGIWFREQ;
event.u.freq.m = descriptor->channelId;
event.u.freq.e = 0;
event.u.freq.i = 0;
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_FREQ_LEN);
if (last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWFREQ");
return -E2BIG;
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
/* BSS Mode */
event.cmd = SIOCGIWMODE;
capabilityInfo = descriptor->capabilityInfo;
if (SIR_MAC_GET_ESS(capabilityInfo))
{
event.u.mode = IW_MODE_MASTER;
}
else if (SIR_MAC_GET_IBSS(capabilityInfo))
{
event.u.mode = IW_MODE_ADHOC;
}
else
{
/* neither ESS or IBSS */
event.u.mode = IW_MODE_AUTO;
}
current_event = iwe_stream_add_event(scanInfo->info,current_event, end,
&event, IW_EV_UINT_LEN);
if (last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWMODE");
return -E2BIG;
}
/* To extract SSID */
ie_length = GET_IE_LEN_IN_BSS( descriptor->length );
if (ie_length > 0)
{
/* dot11BeaconIEs is a large struct, so we make it static to
avoid stack overflow. This API is only invoked via ioctl,
so it is serialized by the kernel rtnl_lock and hence does
not need to be reentrant */
static tDot11fBeaconIEs dot11BeaconIEs;
tDot11fIESSID *pDot11SSID;
tDot11fIESuppRates *pDot11SuppRates;
tDot11fIEExtSuppRates *pDot11ExtSuppRates;
tDot11fIEHTCaps *pDot11IEHTCaps;
int numBasicRates = 0;
int maxNumRates = 0;
pDot11IEHTCaps = NULL;
dot11fUnpackBeaconIEs ((tpAniSirGlobal)
hHal, (tANI_U8 *) descriptor->ieFields, ie_length, &dot11BeaconIEs);
pDot11SSID = &dot11BeaconIEs.SSID;
if (pDot11SSID->present ) {
last_event = current_event;
vos_mem_zero (&event, sizeof (struct iw_event));
event.cmd = SIOCGIWESSID;
event.u.data.flags = 1;
event.u.data.length = scan_result->ssId.length;
current_event = iwe_stream_add_point (scanInfo->info,current_event, end,
&event, (char *)scan_result->ssId.ssId);
if(last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWESSID");
return -E2BIG;
}
}
if( hdd_GetWPARSNIEs( ( tANI_U8 *) descriptor->ieFields, ie_length, &last_event, ¤t_event, scanInfo ) < 0 )
{
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWESSID");
return -E2BIG;
}
last_event = current_event;
current_pad = current_event + IW_EV_LCP_LEN;
vos_mem_zero( &event, sizeof (struct iw_event));
/*Rates*/
event.cmd = SIOCGIWRATE;
pDot11SuppRates = &dot11BeaconIEs.SuppRates;
if (pDot11SuppRates->present )
{
int i;
numBasicRates = pDot11SuppRates->num_rates;
for (i=0; i<pDot11SuppRates->num_rates; i++)
{
if (0 != (pDot11SuppRates->rates[i] & 0x7F))
{
event.u.bitrate.value = hdd_TranslateABGRateToMbpsRate (
&pDot11SuppRates->rates[i]);
current_pad = iwe_stream_add_value (scanInfo->info,current_event,
current_pad, end, &event, IW_EV_PARAM_LEN);
}
}
}
pDot11ExtSuppRates = &dot11BeaconIEs.ExtSuppRates;
if (pDot11ExtSuppRates->present )
{
int i,no_of_rates;
maxNumRates = numBasicRates + pDot11ExtSuppRates->num_rates;
/* Check to make sure the total number of rates
doesn't exceed IW_MAX_BITRATES */
maxNumRates = VOS_MIN(maxNumRates , IW_MAX_BITRATES);
if((maxNumRates - numBasicRates) > MAX_RATES)
{
no_of_rates = MAX_RATES;
hddLog( LOGW, "Accessing array out of bound that array is pDot11ExtSuppRates->rates ");
}
else
{
no_of_rates = maxNumRates - numBasicRates;
}
for ( i=0; i< no_of_rates ; i++ )
{
if (0 != (pDot11ExtSuppRates->rates[i] & 0x7F))
{
event.u.bitrate.value = hdd_TranslateABGRateToMbpsRate (
&pDot11ExtSuppRates->rates[i]);
current_pad = iwe_stream_add_value (scanInfo->info,current_event,
current_pad, end, &event, IW_EV_PARAM_LEN);
}
}
}
if ((current_pad - current_event) >= IW_EV_LCP_LEN)
{
current_event = current_pad;
}
else
{
if (last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWRATE");
return -E2BIG;
}
}
last_event = current_event;
vos_mem_zero (&event, sizeof (struct iw_event));
event.cmd = SIOCGIWENCODE;
if (SIR_MAC_GET_PRIVACY(capabilityInfo))
{
event.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
}
else
{
event.u.data.flags = IW_ENCODE_DISABLED;
}
event.u.data.length = 0;
current_event = iwe_stream_add_point(scanInfo->info,current_event, end, &event, (char *)pDot11SSID->ssid);
if(last_event == current_event)
{ /* no space to add event
Error code, may be E2BIG */
hddLog( LOGE, "hdd_IndicateScanResult: no space for SIOCGIWENCODE");
return -E2BIG;
}
}
last_event = current_event;
vos_mem_zero( &event, sizeof (struct iw_event));
/*RSSI*/
event.cmd = IWEVQUAL;
event.u.qual.qual = descriptor->rssi;
event.u.qual.noise = descriptor->sinr;
/*To keep the rssi icon of the connected AP in the scan window
*and the rssi icon of the wireless networks in sync */
if (( eConnectionState_Associated ==
pAdapter->sessionCtx.station.conn_info.connState ) &&
( VOS_TRUE == vos_mem_compare(descriptor->bssId,
pAdapter->sessionCtx.station.conn_info.bssId,
VOS_MAC_ADDR_SIZE)))
{
event.u.qual.level = pAdapter->rssi;
}
else
{
event.u.qual.level = VOS_MIN ((descriptor->rssi + descriptor->sinr), 0);
}
event.u.qual.updated = IW_QUAL_ALL_UPDATED;
current_event = iwe_stream_add_event(scanInfo->info,current_event,
end, &event, IW_EV_QUAL_LEN);
if(last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for IWEVQUAL");
return -E2BIG;
}
/* AGE */
event.cmd = IWEVCUSTOM;
p = custom;
p += scnprintf(p, MAX_CUSTOM_LEN, " Age: %lu",
vos_timer_get_system_ticks() - descriptor->nReceivedTime);
event.u.data.length = p - custom;
current_event = iwe_stream_add_point (scanInfo->info,current_event, end,
&event, custom);
if(last_event == current_event)
{ /* no space to add event */
hddLog( LOGE, "hdd_IndicateScanResult: no space for IWEVCUSTOM (age)");
return -E2BIG;
}
scanInfo->start = current_event;
return 0;
}
int iwctl_giwscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *wrq,
char *extra)
{
int ii, jj, kk;
PSDevice pDevice = (PSDevice)netdev_priv(dev);
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
PKnownBSS pBSS;
PWLAN_IE_SSID pItemSSID;
PWLAN_IE_SUPP_RATES pSuppRates, pExtSuppRates;
char *current_ev = extra;
char *end_buf = extra + IW_SCAN_MAX_DATA;
char *current_val = NULL;
struct iw_event iwe;
long ldBm;
char buf[MAX_WPA_IE_LEN * 2 + 30];
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWSCAN\n");
if (pMgmt->eScanState == WMAC_IS_SCANNING) {
return -EAGAIN;
}
pBSS = &(pMgmt->sBSSList[0]);
for (ii = 0, jj = 0; jj < MAX_BSS_NUM ; jj++) {
if (current_ev >= end_buf)
break;
pBSS = &(pMgmt->sBSSList[jj]);
if (pBSS->bActive) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, pBSS->abyBSSID, WLAN_BSSID_LEN);
current_ev = iwe_stream_add_event(info,current_ev,end_buf, &iwe, IW_EV_ADDR_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWESSID;
pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
iwe.u.data.length = pItemSSID->len;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(info,current_ev,end_buf, &iwe, pItemSSID->abySSID);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWMODE;
if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo)) {
iwe.u.mode = IW_MODE_INFRA;
}
else {
iwe.u.mode = IW_MODE_ADHOC;
}
iwe.len = IW_EV_UINT_LEN;
current_ev = iwe_stream_add_event(info,current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
pSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abySuppRates;
pExtSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abyExtSuppRates;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = pBSS->uChannel;
iwe.u.freq.e = 0;
iwe.u.freq.i = 0;
current_ev = iwe_stream_add_event(info,current_ev,end_buf, &iwe, IW_EV_FREQ_LEN);
{
int f = (int)pBSS->uChannel - 1;
if(f < 0)f = 0;
iwe.u.freq.m = frequency_list[f] * 100000;
iwe.u.freq.e = 1;
}
current_ev = iwe_stream_add_event(info,current_ev,end_buf, &iwe, IW_EV_FREQ_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVQUAL;
RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
iwe.u.qual.level = ldBm;
iwe.u.qual.noise = 0;
if(-ldBm<50){
iwe.u.qual.qual = 100;
}else if(-ldBm > 90) {
iwe.u.qual.qual = 0;
}else {
iwe.u.qual.qual=(40-(-ldBm-50))*100/40;
}
iwe.u.qual.updated=7;
current_ev = iwe_stream_add_event(info,current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWENCODE;
iwe.u.data.length = 0;
if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo)) {
iwe.u.data.flags =IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
}else {
iwe.u.data.flags = IW_ENCODE_DISABLED;
}
current_ev = iwe_stream_add_point(info,current_ev,end_buf, &iwe, pItemSSID->abySSID);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
current_val = current_ev + IW_EV_LCP_LEN;
for (kk = 0 ; kk < 12 ; kk++) {
if (pSuppRates->abyRates[kk] == 0)
break;
iwe.u.bitrate.value = ((pSuppRates->abyRates[kk] & 0x7f) * 500000);
current_val = iwe_stream_add_value(info,current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
}
for (kk = 0 ; kk < 8 ; kk++) {
if (pExtSuppRates->abyRates[kk] == 0)
break;
iwe.u.bitrate.value = ((pExtSuppRates->abyRates[kk] & 0x7f) * 500000);
current_val = iwe_stream_add_value(info,current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
}
if((current_val - current_ev) > IW_EV_LCP_LEN)
current_ev = current_val;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "bcn_int=%d", pBSS->wBeaconInterval);
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(info,current_ev, end_buf, &iwe, buf);
if ((pBSS->wWPALen > 0) && (pBSS->wWPALen <= MAX_WPA_IE_LEN)) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = pBSS->wWPALen;
current_ev = iwe_stream_add_point(info,current_ev, end_buf, &iwe, pBSS->byWPAIE);
}
if ((pBSS->wRSNLen > 0) && (pBSS->wRSNLen <= MAX_WPA_IE_LEN)) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = pBSS->wRSNLen;
current_ev = iwe_stream_add_point(info,current_ev, end_buf, &iwe, pBSS->byRSNIE);
}
}
}
wrq->length = current_ev - extra;
return 0;
}