Date: Sun, 6 Feb 2011 11:34:39 +0100 From: Bernhard Schmidt <bschmidt@freebsd.org> To: Alexander Zagrebin <alex@zagrebin.ru> Cc: freebsd-net@freebsd.org, Adrian Chadd <adrian@freebsd.org> Subject: Re: if_run in hostap mode: issue with stations in the power save mode Message-ID: <201102061134.39622.bschmidt@freebsd.org> In-Reply-To: <20110204230615.GB12555@gw.zagrebin.ru> References: <20110204060808.GA97298@gw.zagrebin.ru> <201102041314.17939.bschmidt@freebsd.org> <20110204230615.GB12555@gw.zagrebin.ru>
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On Saturday 05 February 2011 00:06:15 Alexander Zagrebin wrote: > Hi! > > On 04.02.2011 13:14:17 +0100, Bernhard Schmidt wrote: > > > Also I have to note, that it seems that other wlan drivers can > > > has this problem too: only ral's and ath's code uses > > > ieee80211_beacon_update(). > > > > Yeah, true. > > > > > Also, I've found a kern/124753. One of > > > > > > replies contains a log's fragment with many records, like following: > > > kernel: ath0: [00:18:41:c0:06:54] power save mode on, 1 sta's > > > in ps > > > > > > mode kernel: ath0: [00:18:41:c0:06:54] save frame with age 0, 1 > > > now queued kernel: ath0: [00:18:41:c0:06:54] save frame with age > > > 0, 2 now queued kernel: ath0: [00:18:41:c0:06:54] power save > > > mode off, 0 sta's in ps mode kernel: ath0: [00:18:41:c0:06:54] > > > flush ps queue, 2 packets queue But there are no records, which > > > have to be for a PSM enabled stations: When a beacon is properly > > > updated, then we have to see records about 1. TIM updating, like > > > > > > ieee80211_beacon_update: TIM updated, pending 1, off 0, len > > > 1 > > > > > > 2. poll messages from a stations, like > > > > > > wlan0: [18:86:ac:10:4b:88] recv ps-poll, send packet, queue > > > > > > empty > > > > > > Thanks for your cooperation! > > > > You mean there are missing debug messages in net80211/run? > > I meant, that when stations in the PSM are handled correctly, then > the log contains a records like this: > > kernel: wlan0: [18:86:ac:10:4b:88] power save mode on, 1 sta's in ps > mode kernel: wlan0: [18:86:ac:10:4b:88] save frame with age 8, 1 now > queued kernel: wlan0: ieee80211_beacon_update: TIM updated, pending > 1, off 0, len 1 kernel: wlan0: [18:86:ac:10:4b:88] recv ps-poll, > send packet, queue empty kernel: wlan0: ieee80211_beacon_update: TIM > updated, pending 0, off 0, len 1 > > But the log's fragment from the kern/124753 doesn't contain records > with the text "...TIM updated..." and "...recv ps-poll...". > I had the very similar records in the log with the unpatched > if_run.c. Ah I see, ok. Added Adrian to CC, he might be interested. -- Bernhard
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