From: "Manoharan, Rajkumar" <rmanohar@qti.qualcomm.com>
To: "Valo, Kalle" <kvalo@qca.qualcomm.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [PATCH 0/7] ath10k: add copy engine fast path support
Date: Fri, 9 Oct 2015 16:02:14 +0000 [thread overview]
Message-ID: <1444406541089.12284@qti.qualcomm.com> (raw)
In-Reply-To: <87612gqcnn.fsf@kamboji.qca.qualcomm.com>
> > Below patchset adds fast path support for uplink traffic by bypassing
> > HTC layer processing. This is enabled by making use of unused copy
> > engine 5 to receive HTT messages directly from HIF layer. From initial
> > validation in VHT80/5G mode TCP UL is improved to 900Mbps from ~840Mbps
> > in conducted test.
> >
> > -Rajkumar
> >
> > Rajkumar Manoharan (7):
> > ath10k: export htc tx rx handlers
> > ath10k: register per copy engine send completion callbacks
> > ath10k: register per copy engine receive callbacks
> > ath10k: export htt tx rx handlers
> > ath10k: Configure copy engine 5 for HTT messages
> > ath10k: remove unused dl_is_polled
> > ath10k: remove htc polling for tx completion
>
> With these patches I'm seeing a DMA warning every time with qca988x
> during firmware boot (tested three out of three times, rebooted after
> every test):
>
> [ 60.458260] ------------[ cut here ]------------
> [ 60.458374] WARNING: CPU: 1 PID: 0 at lib/dma-debug.c:1090 check_unmap+0x815/0x940()
> [ 60.458457] ath10k_pci 0000:02:00.0: DMA-API: device driver tries to free an invalid DMA memory address
> [ 60.458557] Modules linked in: ath10k_pci ath10k_core ath mac80211 cfg80211 [last unloaded: cfg80211]
> [ 60.458941] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.3.0-rc3-wl-ath+ #1082
> [ 60.458981] Hardware name: Hewlett-Packard HP ProBook 6540b/1722, BIOS 68CDD Ver. F.04 01/27/2010
Thanks for reporting this issue. Will post revised patchset asap.
-Rajkumar
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prev parent reply other threads:[~2015-10-09 16:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-25 6:53 [PATCH 0/7] ath10k: add copy engine fast path support Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 1/7] ath10k: export htc tx rx handlers Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 2/7] ath10k: register per copy engine send completion callbacks Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 3/7] ath10k: register per copy engine receive callbacks Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 4/7] ath10k: export htt tx rx handlers Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 5/7] ath10k: Configure copy engine 5 for HTT messages Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 6/7] ath10k: remove unused dl_is_polled Rajkumar Manoharan
2015-09-25 6:53 ` [PATCH 7/7] ath10k: remove htc polling for tx completion Rajkumar Manoharan
2015-10-09 15:34 ` [PATCH 0/7] ath10k: add copy engine fast path support Kalle Valo
2015-10-09 16:02 ` Manoharan, Rajkumar [this message]
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