Commit 663fcafd authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

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: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4bd530f3

net/mac80211/cfg.c

+6 −1
Original line number Diff line number Diff line
@@ -1549,7 +1549,11 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 


	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 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 
			return -ENOLINK;

		break;

	case NL80211_IFTYPE_STATION:

	case NL80211_IFTYPE_P2P_CLIENT:

		break;

	default:

		return -EOPNOTSUPP;

net/wireless/mlme.c

+43 −11
Original line number Diff line number Diff line
@@ -876,21 +876,53 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, 


	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)

net/wireless/nl80211.c

+8 −2
Original line number Diff line number Diff line
@@ -4828,7 +4828,10 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) 


	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 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) 


	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;

	}

CRA Git | Maintained and supported by SUSTech CRA and CCSE