Commit ff84e7bf authored by tamizhr@codeaurora.org's avatar tamizhr@codeaurora.org Committed by Johannes Berg

mac80211: Add support to notify ht/vht opmode modification.

This will add support to send an event to a userspace application
whenever station advertise its ht/vht opmode modification through
an action frame.
Signed-off-by: default avatarTamizh chelvam <tamizhr@codeaurora.org>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 466b9936
......@@ -2848,6 +2848,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
case WLAN_HT_ACTION_SMPS: {
struct ieee80211_supported_band *sband;
enum ieee80211_smps_mode smps_mode;
struct sta_opmode_info sta_opmode = {};
/* convert to HT capability */
switch (mgmt->u.action.u.ht_smps.smps_control) {
......@@ -2868,17 +2869,24 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (rx->sta->sta.smps_mode == smps_mode)
goto handled;
rx->sta->sta.smps_mode = smps_mode;
sta_opmode.smps_mode = smps_mode;
sta_opmode.changed = STA_OPMODE_SMPS_MODE_CHANGED;
sband = rx->local->hw.wiphy->bands[status->band];
rate_control_rate_update(local, sband, rx->sta,
IEEE80211_RC_SMPS_CHANGED);
cfg80211_sta_opmode_change_notify(sdata->dev,
rx->sta->addr,
&sta_opmode,
GFP_KERNEL);
goto handled;
}
case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: {
struct ieee80211_supported_band *sband;
u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth;
enum ieee80211_sta_rx_bandwidth max_bw, new_bw;
struct sta_opmode_info sta_opmode = {};
/* If it doesn't support 40 MHz it can't change ... */
if (!(rx->sta->sta.ht_cap.cap &
......@@ -2899,9 +2907,15 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
rx->sta->sta.bandwidth = new_bw;
sband = rx->local->hw.wiphy->bands[status->band];
sta_opmode.bw = new_bw;
sta_opmode.changed = STA_OPMODE_MAX_BW_CHANGED;
rate_control_rate_update(local, sband, rx->sta,
IEEE80211_RC_BW_CHANGED);
cfg80211_sta_opmode_change_notify(sdata->dev,
rx->sta->addr,
&sta_opmode,
GFP_KERNEL);
goto handled;
}
default:
......
......@@ -447,6 +447,7 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
enum nl80211_band band)
{
enum ieee80211_sta_rx_bandwidth new_bw;
struct sta_opmode_info sta_opmode = {};
u32 changed = 0;
u8 nss;
......@@ -460,7 +461,9 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
if (sta->sta.rx_nss != nss) {
sta->sta.rx_nss = nss;
sta_opmode.rx_nss = nss;
changed |= IEEE80211_RC_NSS_CHANGED;
sta_opmode.changed |= STA_OPMODE_N_SS_CHANGED;
}
switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) {
......@@ -481,9 +484,15 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
new_bw = ieee80211_sta_cur_vht_bw(sta);
if (new_bw != sta->sta.bandwidth) {
sta->sta.bandwidth = new_bw;
sta_opmode.bw = new_bw;
changed |= IEEE80211_RC_BW_CHANGED;
sta_opmode.changed |= STA_OPMODE_MAX_BW_CHANGED;
}
if (sta_opmode.changed)
cfg80211_sta_opmode_change_notify(sdata->dev, sta->addr,
&sta_opmode, GFP_KERNEL);
return changed;
}
......
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