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authortamizhr@codeaurora.org <tamizhr@codeaurora.org>2018-01-31 11:54:50 +0100
committerJohannes Berg <johannes.berg@intel.com>2018-01-31 13:00:03 +0100
commitff84e7bfe1763982e1ada390386dbe4739cee1e2 (patch)
treed655467247dfdd0f39823f2797b6bee5ba1375bb /net/mac80211
parentcfg80211: Add support to notify station's opmode change to userspace (diff)
downloadlinux-ff84e7bfe1763982e1ada390386dbe4739cee1e2.tar.xz
linux-ff84e7bfe1763982e1ada390386dbe4739cee1e2.zip
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: Tamizh chelvam <tamizhr@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/rx.c14
-rw-r--r--net/mac80211/vht.c9
2 files changed, 23 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index fd580614085b..e755f93ad735 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -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:
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index b9276ac849fa..5714dee76b12 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -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;
}