mac80211: Accept broadcast probe responses on 6GHz band

	struct ieee80211_mgmt *mgmt = (void *)skb->data;

	struct ieee80211_if_managed *ifmgd;

	struct ieee80211_rx_status *rx_status = (void *) skb->cb;

	struct ieee80211_channel *channel;

	size_t baselen, len = skb->len;

	ifmgd = &sdata->u.mgd;

	sdata_assert_lock(sdata);

	if (!ether_addr_equal(mgmt->da, sdata->vif.addr))

	/*

	 * According to Draft P802.11ax D6.0 clause 26.17.2.3.2:

	 * "If a 6 GHz AP receives a Probe Request frame  and responds with

	 * a Probe Response frame [..], the Address 1 field of the Probe

	 * Response frame shall be set to the broadcast address [..]"

	 * So, on 6GHz band we should also accept broadcast responses.

	 */

	channel = ieee80211_get_channel(sdata->local->hw.wiphy,

					rx_status->freq);

	if (!channel)

		return;

	if (!ether_addr_equal(mgmt->da, sdata->vif.addr) &&

	    (channel->band != NL80211_BAND_6GHZ ||

	     !is_broadcast_ether_addr(mgmt->da)))

		return; /* ignore ProbeResp to foreign address */

	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;