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 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;
}