Ivo Van Doorn schrieb: > Hi, > >> When examining my own AP (rt2860 based) with another STA in monitor >> mode, I can see always 7 packets after each beacon frame: > > Well if it is an AP with a rt2860 chipset, then it probably isn't > using the rt2x00 drivers, I'm using rt2800pci driver (from compat-wireless-2011-08-08). Aug 16 20:33:24 pc kernel: [52436.719073] cfg80211: Calling CRDA to update world regulatory domain Aug 16 20:33:24 pc kernel: [52436.740378] cfg80211: World regulatory domain updated: Aug 16 20:33:24 pc kernel: [52436.740383] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Aug 16 20:33:24 pc kernel: [52436.740386] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.740389] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.740391] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.740393] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.740396] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.750023] cfg80211: Calling CRDA for country: DE Aug 16 20:33:24 pc kernel: [52436.756976] cfg80211: Regulatory domain changed to country: DE Aug 16 20:33:24 pc kernel: [52436.756981] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Aug 16 20:33:24 pc kernel: [52436.756983] cfg80211: (2400000 KHz - 2483500 KHz @ 40000 KHz), (N/A, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.756986] cfg80211: (5150000 KHz - 5350000 KHz @ 40000 KHz), (N/A, 2000 mBm) Aug 16 20:33:24 pc kernel: [52436.756988] cfg80211: (5470000 KHz - 5725000 KHz @ 40000 KHz), (N/A, 2698 mBm) Aug 16 20:33:24 pc kernel: [52436.825208] rt2800pci 0000:03:07.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21 Aug 16 20:33:24 pc kernel: [52436.835011] phy0 -> rt2x00_set_chip: Info - Chipset detected - rt: 2860, rf: 0002, rev: 0103. Aug 16 20:33:24 pc kernel: [52436.844383] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' Aug 16 20:33:24 pc kernel: [52436.845258] Registered led device: rt2800pci-phy0::radio Aug 16 20:33:24 pc kernel: [52436.845276] Registered led device: rt2800pci-phy0::assoc Aug 16 20:33:24 pc kernel: [52436.845293] Registered led device: rt2800pci-phy0::quality Aug 16 20:33:24 pc kernel: [52436.863893] udev: renamed network interface wlan0 to wlan1 Aug 16 20:33:24 pc ifup: wlan1 device: RaLink RT2800 802.11n PCI Aug 16 20:33:24 pc ifup: No configuration found for wlan1 Aug 16 20:33:26 pc kernel: [52438.868947] phy0 -> rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'. Aug 16 20:33:26 pc kernel: [52438.873544] phy0 -> rt2x00lib_request_firmware: Info - Firmware detected - version: 0.34. Aug 16 20:33:26 pc kernel: [52438.900652] phy0 -> rt2800pci_mcu_status: Error - MCU request failed, no response from hardware Aug 16 20:33:26 pc kernel: [52438.907351] phy0 -> rt2x00mac_conf_tx: Info - Configured TX queue 0 - CWmin: 3, CWmax: 4, Aifs: 2, TXop: 102. Aug 16 20:33:26 pc kernel: [52438.907373] phy0 -> rt2x00mac_conf_tx: Info - Configured TX queue 1 - CWmin: 4, CWmax: 5, Aifs: 2, TXop: 188. Aug 16 20:33:26 pc kernel: [52438.907390] phy0 -> rt2x00mac_conf_tx: Info - Configured TX queue 2 - CWmin: 5, CWmax: 10, Aifs: 3, TXop: 0. Aug 16 20:33:26 pc kernel: [52438.907407] phy0 -> rt2x00mac_conf_tx: Info - Configured TX queue 3 - CWmin: 5, CWmax: 10, Aifs: 7, TXop: 0. > so no idea what those extra frames would be. They are coming up exactly with the starting of hostapd. > Can't they come from another client somewhere which is responding to the AP? None of my clients have been running as supplicant during the measurement. There can't be seen any MAC or IP addresses in this package. But they're sent on exactly this channel the AP (hostapd) is configured on. Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html