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Add ability to get the current channel by iw utility, based on the patch provided by Ángel <kazimiro69@gmail.com>

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astsam 2021-01-21 22:27:07 +03:00
parent 059e06a51b
commit 2e5088380c
1 changed files with 127 additions and 0 deletions
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127
os_dep/linux/ioctl_cfg80211.c
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@ -6085,6 +6085,132 @@ static int cfg80211_rtw_set_channel(struct wiphy *wiphy
return 0;
}
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;
channel = pHalData->current_channel;
if(channel >= 1){
if(channel <= 14)
band = NL80211_BAND_2GHZ;
else
band = NL80211_BAND_5GHZ;
#if 0
switch(pHalData->current_band_type){
case 0:
band = NL80211_BAND_2GHZ;
break;
case 1:
band = NL80211_BAND_5GHZ;
break;
default:
return -EINVAL;
}
#endif
control_freq = ieee80211_channel_to_frequency(channel, band);
dvobj = adapter_to_dvobj(padapter);
if(dvobj != NULL){
bandWidth = adapter_to_dvobj(padapter)->oper_bwmode;
RTW_INFO("%s bw %d\n", __func__, adapter_to_dvobj(padapter)->oper_bwmode);
}else{
bandWidth = pHalData->current_channel_bw;
RTW_INFO("%s dvobj null\n", __func__);
}
switch(pHalData->current_channel_bw){
case CHANNEL_WIDTH_5:
width = NL80211_CHAN_WIDTH_5;
center_freq = control_freq;
break;
case CHANNEL_WIDTH_10:
width = NL80211_CHAN_WIDTH_10;
center_freq = control_freq;
break;
case CHANNEL_WIDTH_20:
RTW_INFO("%s width 20\n", __func__);
width = NL80211_CHAN_WIDTH_20;
center_freq = control_freq;
break;
case CHANNEL_WIDTH_40:
RTW_INFO("%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:
RTW_INFO("%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:
RTW_INFO("%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:
RTW_INFO("%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:
RTW_INFO("%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));
RTW_INFO("%s chan null\n", __func__);
if(chandef->chan == NULL) {
RTW_INFO("%s chan null\n", __func__);
return -EINVAL;
}
}
chandef->width = width;
chandef->center_freq1 = center_freq;
chandef->center_freq2 = center_freq2;
RTW_INFO("%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_monitor_channel(struct wiphy *wiphy
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
, struct cfg80211_chan_def *chandef
@ -10083,6 +10209,7 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
#if (KERNEL_VERSION(4, 17, 0) <= LINUX_VERSION_CODE)
.external_auth = cfg80211_rtw_external_auth,
#endif
.get_channel = cfg80211_rtw_get_channel,
};
struct wiphy *rtw_wiphy_alloc(_adapter *padapter, struct device *dev)