Commit bf0c111e authored by Mahesh Palivela's avatar Mahesh Palivela Committed by Johannes Berg

cfg80211: allow advertising VHT capabilities

Allow drivers to advertise their VHT capabilities
and export them to userspace via nl80211.
Signed-off-by: default avatarMahesh Palivela <maheshp@posedge.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent ce0e1695
......@@ -1813,6 +1813,9 @@ enum nl80211_mpath_info {
* @NL80211_BAND_ATTR_HT_CAPA: HT capabilities, as in the HT information IE
* @NL80211_BAND_ATTR_HT_AMPDU_FACTOR: A-MPDU factor, as in 11n
* @NL80211_BAND_ATTR_HT_AMPDU_DENSITY: A-MPDU density, as in 11n
* @NL80211_BAND_ATTR_VHT_MCS_SET: 32-byte attribute containing the MCS set as
* defined in 802.11ac
* @NL80211_BAND_ATTR_VHT_CAPA: VHT capabilities, as in the HT information IE
* @NL80211_BAND_ATTR_MAX: highest band attribute currently defined
* @__NL80211_BAND_ATTR_AFTER_LAST: internal use
*/
......@@ -1826,6 +1829,9 @@ enum nl80211_band_attr {
NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
NL80211_BAND_ATTR_VHT_MCS_SET,
NL80211_BAND_ATTR_VHT_CAPA,
/* keep last */
__NL80211_BAND_ATTR_AFTER_LAST,
NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1
......
......@@ -210,6 +210,22 @@ struct ieee80211_sta_ht_cap {
struct ieee80211_mcs_info mcs;
};
/**
* struct ieee80211_sta_vht_cap - STA's VHT capabilities
*
* This structure describes most essential parameters needed
* to describe 802.11ac VHT capabilities for an STA.
*
* @vht_supported: is VHT supported by the STA
* @cap: VHT capabilities map as described in 802.11ac spec
* @vht_mcs: Supported VHT MCS rates
*/
struct ieee80211_sta_vht_cap {
bool vht_supported;
u32 cap; /* use IEEE80211_VHT_CAP_ */
struct ieee80211_vht_mcs_info vht_mcs;
};
/**
* struct ieee80211_supported_band - frequency band definition
*
......@@ -233,6 +249,7 @@ struct ieee80211_supported_band {
int n_channels;
int n_bitrates;
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
};
/*
......
......@@ -921,6 +921,15 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
dev->wiphy.bands[band]->ht_cap.ampdu_density)))
goto nla_put_failure;
/* add VHT info */
if (dev->wiphy.bands[band]->vht_cap.vht_supported &&
(nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs),
&dev->wiphy.bands[band]->vht_cap.vht_mcs) ||
nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
dev->wiphy.bands[band]->vht_cap.cap)))
goto nla_put_failure;
/* add frequencies */
nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
if (!nl_freqs)
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment