mac80211: pass bssids to elements parsing function

In multiple BSSID, we have nested IEs inside the multiple
BSSID IE, that override the external ones for that specific
BSS. As preparation for supporting that, pass 2 BSSIDs to the
parse function, the transmitter, and the selected BSSID, so
it can know which IEs to choose. If the selected BSSID is
NULL, the outer ones will be applied.

Change ieee80211_bss_info_update to parse elements itself,
instead of receiving them parsed, so we have the relevant
bss entry in hand.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/tdls.c

@@ -5,6 +5,7 @@
  * Copyright 2014, Intel Corporation
  * Copyright 2014  Intel Mobile Communications GmbH
  * Copyright 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2019 Intel Corporation
  *
  * This file is GPLv2 as found in COPYING.
  */
@@ -1716,7 +1717,8 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
 	}
 
 	ieee802_11_parse_elems(tf->u.chan_switch_resp.variable,
-			       skb->len - baselen, false, &elems);
+			       skb->len - baselen, false, &elems,
+			       NULL, NULL);
 	if (elems.parse_error) {
 		tdls_dbg(sdata, "Invalid IEs in TDLS channel switch resp\n");
 		ret = -EINVAL;
@@ -1828,7 +1830,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
 	}
 
 	ieee802_11_parse_elems(tf->u.chan_switch_req.variable,
-			       skb->len - baselen, false, &elems);
+			       skb->len - baselen, false, &elems, NULL, NULL);
 	if (elems.parse_error) {
 		tdls_dbg(sdata, "Invalid IEs in TDLS channel switch req\n");
 		return -EINVAL;