net/mac80211/mlme.c

63  * advertised beacon interval.  This may need to be somewhat
66  * probe on beacon miss before declaring the connection lost
72 		 "Number of beacon intervals before we decide beacon was lost.");
81  * a probe request because of beacon loss or for
232 		 * since we look at probe response/beacon data here
2023 				 bool beacon)
2066 		if (!beacon)
2072 			 * If the CSA IE is still present in the beacon after
2120 	    (!csa_ie.mode || !beacon)) {
3450 				   bool beacon)
3475 	if (beacon) {
3477 				     "detected beacon loss from AP (missed %d beacons) - probing\n",
4303 	 * from the beacon or probe response. This seems to afflict mobile
4376 	 * We previously checked these in the beacon/probe response, so
4558 	 * configuration. If it changed since the last beacon, we'll get the
4559 	 * next beacon and update then.
4594 		 * tracking WMM parameter changes in the beacon if
5311 	 * Also start the timer that will detect beacon loss.
5617  * We implement beacon filtering in software since that means we can
6113 			 * TSF value (bits 10 to 25), get the partial beacon TS
6174 	u8 *bssid, *variable = mgmt->u.beacon.variable;
6184 	/* Process beacon from the current BSS */
6234 				le64_to_cpu(mgmt->u.beacon.timestamp);
6271 				     "cancelling AP probe due to a received beacon\n");
6276 	 * Push the beacon loss detection into the future since
6277 	 * we are processing a beacon from the AP just now.
6282 	 * element (which carries the beacon interval). Don't forget to add a
6287 		ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
6351 	 * Update beacon timing and dtim count on every beacon appearance. This
6353 	 * comparing this one with last received beacon.
6361 			le64_to_cpu(mgmt->u.beacon.timestamp);
6386 	 * If we haven't had a beacon before, tell the driver about the
6387 	 * DTIM period (and beacon timing if desired) now.
6410 				le16_to_cpu(mgmt->u.beacon.capab_info),
6454 				      le64_to_cpu(mgmt->u.beacon.timestamp));
7704 			/* must be non-NULL since beacon IEs were NULL */
8134 				corrupt_type = "beacon and probe response";
8136 				corrupt_type = "beacon";
8556 			 * Wait up to one beacon interval ...
8559 			sdata_info(sdata, "waiting for beacon from %pM\n",