Date: Sun, 02 Nov 2014 07:24:02 -0800 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Matthias Apitz <guru@unixarea.de>, Adrian Chadd <adrian@freebsd.org>, freebsd-wireless@freebsd.org Subject: Re: Issues with urtwn Message-ID: <54564C92.8040104@freebsd.org> In-Reply-To: <20141102084605.GA60031@unixarea.DDR.dd> References: <540C751F.6050202@freebsd.org> <CAJ-VmokyPcS077wHiP4Mdetms=meqk47v29fKA1edidhorVQpg@mail.gmail.com> <540C92D6.4030106@freebsd.org> <CAJ-VmomMwJOSz7hyAfeEgPE=qBfYm7fTOo5km8JJk4g62JxTkg@mail.gmail.com> <540CC53A.90600@freebsd.org> <CAJ-Vmokt_kgxW3aPEDcNwg_ZVrCotqF_tOP1YjZCtO=nCZ8z5Q@mail.gmail.com> <540E2A2D.4090301@freebsd.org> <CAJ-VmongioOZQS561Qq5S1T0UVnBifxrQf8P0rr8jEWzk=dumQ@mail.gmail.com> <20141026073605.GA1819@unixarea.DDR.dd> <20141101081736.GA2857@unixarea.DDR.dd> <20141102084605.GA60031@unixarea.DDR.dd>
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Are you running wpa_supplicant? If you can connect to a plain network
with ifconfig, these will stop.
-Nathan
On 11/02/14 01:46, Matthias Apitz wrote:
> Hi,
>
> I do not understand why I have these 'powersave on/off' transitions:
>
> Nov 2 09:01:06 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode on
> Nov 2 09:01:08 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode off
> Nov 2 09:06:08 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode on
> Nov 2 09:06:10 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode off
> Nov 2 09:11:11 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode on
> Nov 2 09:11:12 unixarea kernel: wlan0: [00:13:f7:0d:08:48] sta power save mode off
>
> # ifconfig wlan0 -powersave
> # ifconfig -v wlan0 | fgrep power
> AES-CCM 3:128-bit powersavemode OFF powersavesleep 100 txpower 0
>
> i.e. it seems to be OFF, I even can not set it to on:
>
> # ifconfig wlan0 powersave
> ifconfig: SIOCS80211: Operation not supported
>
> What I do can set is the powersavesleep interval to zero:
>
> # ifconfig wlan0 powersavesleep 0
> # ifconfig -v wlan0 | fgrep power
> AES-CCM 3:128-bit powersavemode OFF powersavesleep 0 txpower 0
>
> But this does not help either.
>
> I fgrep'ed throu the src/sys and it seems that the power save mode
> on/off message comes out from
>
> /usr/src/sys/net80211/ieee80211_power.c
>
> /*
> * Handle power-save state change in station mode.
> */
> void
> ieee80211_sta_pwrsave(struct ieee80211vap *vap, int enable)
> {
> struct ieee80211_node *ni = vap->iv_bss;
>
> if (!((enable != 0) ^ ((ni->ni_flags & IEEE80211_NODE_PWR_MGT) != 0)))
> return;
>
> IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
> "sta power save mode %s", enable ? "on" : "off");
>
> but this does not answer the question why is switching it on/off.
>
> Is it worth to compile a hard change an let return
> ieee80211_sta_pwrsave() without doing anything?
>
> Any ideas?
>
> matthias
>
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