Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e33f5569 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: mesh: avoid pointless station lookup 



In ieee80211_build_hdr(), the station is looked up to build the
header correctly (QoS field) and to check for authorization. For
mesh, authorization isn't checked here, and QoS capability is
mandatory, so the station lookup can be avoided.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent a8d15ff0

net/mac80211/tx.c

+6 −4
Original line number Diff line number Diff line
@@ -2052,12 +2052,14 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, 
	}



	/*

	 * There's no need to try to look up the destination

	 * if it is a multicast address (which can only happen

	 * in AP mode)

	 * There's no need to try to look up the destination station

	 * if it is a multicast address. In mesh, there's no need to

	 * look up the station at all as it always must be QoS capable

	 * and mesh mode checks authorization later.

	 */

	multicast = is_multicast_ether_addr(hdr.addr1);

	if (!multicast && !have_station) {

	if (!multicast && !have_station &&

	    !ieee80211_vif_is_mesh(&sdata->vif)) {

		sta = sta_info_get(sdata, hdr.addr1);

		if (sta) {

			authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);