Date: Mon, 3 Nov 2014 06:46:33 +0100 From: Matthias Apitz <guru@unixarea.de> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org> Subject: Re: Issues with urtwn Message-ID: <20141103054633.GA3258@unixarea.DDR.dd> In-Reply-To: <CAJ-Vmomhzsyn0k5Ym1=qm-LibJmW=8zb2LunYHNf4sSvWsP1=w@mail.gmail.com> References: <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> <54564C92.8040104@freebsd.org> <20141102152953.GA20263@unixarea.DDR.dd> <54564E4D.4020703@freebsd.org> <CAJ-Vmomhzsyn0k5Ym1=qm-LibJmW=8zb2LunYHNf4sSvWsP1=w@mail.gmail.com>
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El día Sunday, November 02, 2014 a las 10:46:13AM -0800, Adrian Chadd escribió:
> It's not forcing the adapter itself into ps mode - it's just net80211
> doing an off-channel scan thing.
>
> Someone has to debug/fix this scan hang thing, I'm out of energy atm :(
I'm willing to dig into this and will start with instrumenting
net80211/ieee80211_scan.c with more debug messages; from there the power
save is activated:
scan_task(void *arg, int pending)
...
if (vap->iv_opmode == IEEE80211_M_STA &&
vap->iv_state == IEEE80211_S_RUN) {
if ((vap->iv_bss->ni_flags & IEEE80211_NODE_PWR_MGT) == 0) {
/* Enable station power save mode */
vap->iv_sta_ps(vap, 1);
Or any other idea? Can you guide me through this?
Thx
matthias
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