cfg80211/mac80211: allow management frame TX in AP mode
Enable management frame transmission and subscribing
to management frames through nl80211 in both cfg80211
and mac80211. Also update a few places that I forgot
to update for P2P-client mode previously, and fix a
small bug with non-action frames in this API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9e63fc2..a7a78f2 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1549,7 +1549,11 @@
switch (sdata->vif.type) {
case NL80211_IFTYPE_ADHOC:
- if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ if (!ieee80211_is_action(mgmt->frame_control) ||
+ mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
break;
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->da);
@@ -1558,6 +1562,7 @@
return -ENOLINK;
break;
case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
break;
default:
return -EOPNOTSUPP;
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 46f3711..caf11a427 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -876,21 +876,53 @@
if (ieee80211_is_action(mgmt->frame_control) &&
mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
- /* Verify that we are associated with the destination AP */
+ int err = 0;
+
wdev_lock(wdev);
- if (!wdev->current_bss ||
- memcmp(wdev->current_bss->pub.bssid, mgmt->bssid,
- ETH_ALEN) != 0 ||
- ((wdev->iftype == NL80211_IFTYPE_STATION ||
- wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
- memcmp(wdev->current_bss->pub.bssid, mgmt->da,
- ETH_ALEN) != 0)) {
- wdev_unlock(wdev);
- return -ENOTCONN;
- }
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ if (!wdev->current_bss) {
+ err = -ENOTCONN;
+ break;
+ }
+ if (memcmp(wdev->current_bss->pub.bssid,
+ mgmt->bssid, ETH_ALEN)) {
+ err = -ENOTCONN;
+ break;
+ }
+
+ /*
+ * check for IBSS DA must be done by driver as
+ * cfg80211 doesn't track the stations
+ */
+ if (wdev->iftype == NL80211_IFTYPE_ADHOC)
+ break;
+
+ /* for station, check that DA is the AP */
+ if (memcmp(wdev->current_bss->pub.bssid,
+ mgmt->da, ETH_ALEN)) {
+ err = -ENOTCONN;
+ break;
+ }
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_AP_VLAN:
+ if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
+ err = -EINVAL;
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
wdev_unlock(wdev);
+
+ if (err)
+ return err;
}
if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0087c43..cbbbe9a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4828,7 +4828,10 @@
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}
@@ -4881,7 +4884,10 @@
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}