int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
u8 *bssid, s32 rssi, u8 *ie_buf,
size_t ie_len, u16 beacon_period,
u16 cap_info_bitmap, u8 band,
struct mwifiex_bssdescriptor *bss_desc)
{
int ret;
memcpy(bss_desc->mac_address, bssid, ETH_ALEN);
bss_desc->rssi = rssi;
bss_desc->beacon_buf = ie_buf;
bss_desc->beacon_buf_size = ie_len;
bss_desc->beacon_period = beacon_period;
bss_desc->cap_info_bitmap = cap_info_bitmap;
bss_desc->bss_band = band;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc,
ie_buf, ie_len);
return ret;
}
/*
* This function fills bss descriptor structure using provided
* information.
* beacon_ie buffer is allocated in this function. It is caller's
* responsibility to free the memory.
*/
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
struct cfg80211_bss *bss,
struct mwifiex_bssdescriptor *bss_desc)
{
u8 *beacon_ie;
size_t beacon_ie_len;
struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
/* The caller of this function will free beacon_ie */
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
/* Disable 11ac by default. Enable it only where there
* exist VHT_CAP IE in AP beacon
*/
bss_desc->disable_11ac = true;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
bss_desc->sensed_11h = true;
return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
}
/*
* This function fills bss descriptor structure using provided
* information.
*/
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
struct cfg80211_bss *bss,
struct mwifiex_bssdescriptor *bss_desc)
{
int ret;
u8 *beacon_ie;
size_t beacon_ie_len;
struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
kfree(beacon_ie);
return ret;
}
/*
* This function fills bss descriptor structure using provided
* information.
* beacon_ie buffer is allocated in this function. It is caller's
* responsibility to free the memory.
*/
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
struct cfg80211_bss *bss,
struct mwifiex_bssdescriptor *bss_desc)
{
u8 *beacon_ie;
size_t beacon_ie_len;
struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
int ret;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
mwifiex_dbg(priv->adapter, ERROR,
" failed to alloc beacon_ie\n");
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
/* The caller of this function will free beacon_ie */
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
mwifiex_dbg(priv->adapter, INFO,
"info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
/* Disable 11ac by default. Enable it only where there
* exist VHT_CAP IE in AP beacon
*/
bss_desc->disable_11ac = true;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
bss_desc->sensed_11h = true;
ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
if (ret)
return ret;
/* Update HT40 capability based on current channel information */
if (bss_desc->bcn_ht_oper && bss_desc->bcn_ht_cap) {
u8 ht_param = bss_desc->bcn_ht_oper->ht_param;
u8 radio = mwifiex_band_to_radio_type(bss_desc->bss_band);
struct ieee80211_supported_band *sband =
priv->wdev.wiphy->bands[radio];
int freq = ieee80211_channel_to_frequency(bss_desc->channel,
radio);
struct ieee80211_channel *chan =
ieee80211_get_channel(priv->adapter->wiphy, freq);
switch (ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) {
sband->ht_cap.cap &=
~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
} else {
sband->ht_cap.cap |=
IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40;
}
break;
case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) {
sband->ht_cap.cap &=
~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
} else {
sband->ht_cap.cap |=
IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40;
}
break;
}
}
return 0;
}
