Date: Tue, 12 Jun 2012 08:37:19 +0200 From: Johann Hugo <jhugo@meraka.csir.co.za> To: freebsd-wireless@freebsd.org Subject: Re: [heads up] please test -HEAD ath(4) 802.11n! Message-ID: <201206120837.20027.jhugo@meraka.csir.co.za> In-Reply-To: <CAJ-Vmo=d3CyNOoG2JqpOwdkrFCdLSD6-aWaKuM41hA4WUviyAw@mail.gmail.com> References: <CAJ-Vmo=d3CyNOoG2JqpOwdkrFCdLSD6-aWaKuM41hA4WUviyAw@mail.gmail.com>
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Are you interested in -HEAD ath(4) 802.11n on -9 ?
The 11n adapter was in AP mode. It worked for a while giving a lot of
ath_tx_normal_setup messages and then it stopped.
After an ifconfig down/up it worked again, with no more ath_tx_normal_setup
messges, but I only get half the speed.
AP-vlan:~ # ifconfig wlan0
wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1500
ether 00:80:48:66:54:b4
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect mode 11na <hostap>
status: running
ssid my-n channel 52 (5260 MHz 11a ht/20) bssid 00:80:48:66:54:b4
country US ecm authmode OPEN privacy OFF txpower 23 mcastrate 6
mgmtrate 6 scanvalid 60 ampdulimit 64k ampdudensity 8 shortgi wme
burst dtimperiod 1 -dfs
AP-vlan:~ #
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ath0: ath_tx_normal_setup: txq=0xc23108d4 (11), pri=0, pri txq=0xc20d591c (1)
ifconfig wlan0 down
ath0: ath_tx_tid_drain: node 0xc27e7000: bf=0xc21cff48: addbaw=0, dobaw=1,
seqno=496, retry=0
ath0: ath_tx_tid_drain: node 0xc27e7000: bf=0xc21cff48: tid txq_depth=54
hwq_depth=0, bar_wait=1
ath0: ath_tx_tid_drain: node 0xc27e7000: tid 0: txq_depth=1, txq_aggr_depth=0,
sched=0, paused=1, hwq_depth=0, incomp=0, baw_head=17, baw_tail=17
txa_start=496, ni_txseqs=550
FRDS 00:1b:21:13:31:b6->14:7d:c5:65:4b:88(00:80:48:66:54:b4) data QoS [TID 0]
0M
8802 0000 147d c565 4b88 0080 4866 54b4 001b 2113 31b6 001f 0000 0000 aaaa
0300 0000 0800
ath0: ath_tx_default_comp: bf 0xc21cff48: seqno 496: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d0524: seqno 497: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d0650: seqno 498: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d09d4: seqno 499: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d16b8: seqno 500: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d17e4: seqno 501: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d1eec: seqno 502: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d3530: seqno 503: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d365c: seqno 504: dobaw should've been
cleared!
ath0: ath_tx_default_comp: bf 0xc21d3d64: seqno 505: dobaw should've been
cleared!
AP-vlan:~ # ifconfig wlan0 up
AP-vlan:~ #
Johann
On Monday 11 June 2012 10:35:53 Adrian Chadd wrote:
> Hi all,
>
> I've just done some major surgery to the ath(4) TX path to fix TX
> throughput issues on SMP. The commit history has all the sordid
> details.
>
> I'd really appreciate it if people could test this out in STA and AP
> mode with INVARIANTS/WITNESS enabled. I'd like to ensure I haven't
> introduced LORs or any locking issues.
>
> As always, positive feedback is also useful (just so I know the code is
> tested.)
>
> I'd really like to get this thrashed out so I can move onto
> implementing the management frame prioritisation, power save and
> filtered frame support. Once that's done, I'll enable 802.11n by
> default.
>
> Thanks again!
>
>
>
>
> Adrian
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