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Added get channel function

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This commit is contained in:
kimocoder 2018-07-29 18:28:40 +02:00
parent e225f57f52
commit 8132170418
1 changed files with 111 additions and 0 deletions
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111
os_dep/linux/ioctl_cfg80211.c
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@ -4806,6 +4806,116 @@ static int cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
}
static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_chan_def *chandef){
_adapter *padapter= wiphy_to_adapter(wiphy);
int channel;
int control_freq;
int center_freq;
int center_freq2=0;
int width;
int band;
int bandWidth;
int offset;
struct dvobj_priv *dvobj;
struct net_device *ndev = wdev->netdev;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
if (!ndev)
return -ENODEV;
offset = rtw_get_oper_choffset(padapter);
channel = adapter_to_dvobj(padapter)->oper_channel;
if (channel >= 1) {
switch (pHalData->current_band_type) {
case 0:
band = NL80211_BAND_2GHZ;
break;
case 1:
band = NL80211_BAND_5GHZ;
break;
default:
return -EINVAL;
}
control_freq = ieee80211_channel_to_frequency(channel, band);
dvobj=adapter_to_dvobj(padapter);
if (dvobj!=NULL) {
bandWidth = adapter_to_dvobj(padapter)->oper_bwmode;
//DBG_871X("%s bw %d\n", __func__,adapter_to_dvobj(padapter)->oper_bwmode);
} else {
bandWidth = pHalData->current_channel;
//DBG_871X("%s dvobj null\n", __func__);
}
switch(pHalData->current_channel){
case CHANNEL_WIDTH_20:
//DBG_871X("%s width 20\n", __func__);
width = NL80211_CHAN_WIDTH_20;
center_freq = control_freq;
break;
case CHANNEL_WIDTH_40:
//DBG_871X("%s width 40\n", __func__);
width = NL80211_CHAN_WIDTH_40;
if (offset==HAL_PRIME_CHNL_OFFSET_LOWER) {
center_freq = control_freq +10;
} else {
center_freq = control_freq -10;
}
break;
case CHANNEL_WIDTH_80:
//DBG_871X("%s width 80\n", __func__);
width = NL80211_CHAN_WIDTH_80;
if (offset==HAL_PRIME_CHNL_OFFSET_LOWER) {
center_freq = control_freq +30;
} else {
center_freq = control_freq -30;
}
break;
case CHANNEL_WIDTH_160:
//DBG_871X("%s width 160\n", __func__);
width = NL80211_CHAN_WIDTH_160;
if (offset==HAL_PRIME_CHNL_OFFSET_LOWER) {
center_freq = control_freq +50;
} else {
center_freq = control_freq -50;
}
break;
case CHANNEL_WIDTH_80_80:
//DBG_871X("%s width 80x80\n", __func__);
width = NL80211_CHAN_WIDTH_80P80;
if (offset==HAL_PRIME_CHNL_OFFSET_LOWER) {
center_freq = control_freq +30;
center_freq2=center_freq+80;
} else {
center_freq = control_freq -30;
center_freq2=center_freq-80;
}
break;
case CHANNEL_WIDTH_MAX:
//DBG_871X("%s width max\n", __func__);
width = NL80211_CHAN_WIDTH_160;
break;
}
chandef->chan = ieee80211_get_channel(wiphy, control_freq);
if (chandef->chan == NULL) {
chandef->chan = ieee80211_get_channel(wiphy, ieee80211_channel_to_frequency(channel, band));
//DBG_871X("%s chan null\n", __func__);
if (chandef->chan == NULL) {
//DBG_871X("%s chan null\n", __func__);
return -EINVAL;
}
}
chandef->width = width;
chandef->center_freq1 = center_freq;
chandef->center_freq2 = center_freq2;
//DBG_871X("%s : channel %d width %d freq1 %d freq2 %d center_freq %d offset %d\n", __func__, channel, width, chandef->center_freq1, chandef->center_freq2, chandef->chan->center_freq,rtw_get_oper_choffset(padapter));
} else {
return -EINVAL;
}
return 0;
}
static int cfg80211_rtw_set_channel(struct wiphy *wiphy
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
, struct net_device *ndev
@ -7677,6 +7787,7 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
.suspend = cfg80211_rtw_suspend,
.resume = cfg80211_rtw_resume,
#endif /* CONFIG_PNO_SUPPORT */
.get_channel = cfg80211_rtw_get_channel,
#ifdef CONFIG_RFKILL_POLL
.rfkill_poll = cfg80211_rtw_rfkill_poll,
#endif