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[PATCHv2 1/3] mac80211: fix CMD_FRAME for AP_VLAN

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When using IEEE 802.11r FT OVER-DS roaming with AP_VLAN, hostapd needs to
send out a frame using CMD_FRAME for a station assigned to an AP_VLAN
interface.

Right now, the userspace needs to give the exact AP_VLAN interface index
for CMD_FRAME; hostapd does not do this. Additionally, userspace cannot
use GET_STATION to query the AP_VLAN ifidx, as while GET_STATION finds
stations assigned to AP_VLAN even if the AP iface is queried, it does not
return AP_VLAN ifidx (it returns the queried one).

This breaks IEEE 802.11r over_ds with vlans, as the reply frame does not
get out. This patch fixes this by using get_sta_bss for CMD_FRAME.

Signed-off-by: Michael Braun <michael-dev@xxxxxxxxxxxxx>

To: johannes@xxxxxxxxxxxxxxxx
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: projekt-wlan@xxxxxxxxxxxxxxxxx
---
 net/mac80211/offchannel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 55a9c5b..688744c 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -819,7 +819,7 @@ int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 		    mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
 			break;
 		rcu_read_lock();
-		sta = sta_info_get(sdata, mgmt->da);
+		sta = sta_info_get_bss(sdata, mgmt->da);
 		rcu_read_unlock();
 		if (!sta)
 			return -ENOLINK;
-- 
2.1.4




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