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mac80211: handle VHT operating mode notification

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Handle the operating mode notification action frame.
When the supported streams or the bandwidth change
let the driver and rate control algorithm know.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2012-12-27 18:55:36 +01:00
parent 8921d04e8d
commit 0af83d3df5
7 changed files with 128 additions and 10 deletions
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30
net/mac80211/rx.c
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@@ -2435,6 +2435,36 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
goto invalid;
}
break;
case WLAN_CATEGORY_VHT:
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
sdata->vif.type != NL80211_IFTYPE_AP &&
sdata->vif.type != NL80211_IFTYPE_ADHOC)
break;
/* verify action code is present */
if (len < IEEE80211_MIN_ACTION_SIZE + 1)
goto invalid;
switch (mgmt->u.action.u.vht_opmode_notif.action_code) {
case WLAN_VHT_ACTION_OPMODE_NOTIF: {
u8 opmode;
/* verify opmode is present */
if (len < IEEE80211_MIN_ACTION_SIZE + 2)
goto invalid;
opmode = mgmt->u.action.u.vht_opmode_notif.operating_mode;
ieee80211_vht_handle_opmode(rx->sdata, rx->sta,
opmode, status->band);
goto handled;
}
default:
break;
}
break;
case WLAN_CATEGORY_BACK:
if (sdata->vif.type != NL80211_IFTYPE_STATION &&