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From: Kalle Valo <kvalo@codeaurora.org>
To: Rakesh Pillai <pillair@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: ath10k: dma unmap mgmt tx buffer if wmi cmd send fails
Date: Wed, 14 Mar 2018 09:52:50 +0000 (UTC)	[thread overview]
Message-ID: <20180314095250.E273360592@smtp.codeaurora.org> (raw)
In-Reply-To: <1518169330-4934-1-git-send-email-pillair@codeaurora.org>

Rakesh Pillai <pillair@codeaurora.org> wrote:

> WCN3990 sends mgmt frames by reference via WMI.
> The host dma maps the mgmt frame and sends the physical
> address to the firmware in the wmi command. Since the
> dma mapping is done in the gen_mgmt_tx and if the wmi
> command send fails, the corresponding mgmt frame is
> not being dma unmapped.
> 
> Fix the missing dma unmapping of mgmt tx frame when
> wmi command sending fails for mgmt tx by reference
> via WMI. The already exisiting mgmt tx using copy by
> value does not need such dma unmapping.
> Add a separate wmi-tlv op for mgmt tx via ref, which
> takes care of unmapping the dma address, in case of
> wmi command sending failure.
> 
> Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

38a1390e02b7 ath10k: dma unmap mgmt tx buffer if wmi cmd send fails

-- 
https://patchwork.kernel.org/patch/10208681/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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      parent reply	other threads:[~2018-03-14  9:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-09  9:42 [PATCH] ath10k: dma unmap mgmt tx buffer if wmi cmd send fails pillair
2018-02-09  9:42 ` pillair
2018-02-28 13:07 ` Kalle Valo
2018-02-28 13:07   ` Kalle Valo
2018-03-14  9:52 ` Kalle Valo
2018-03-14  9:52 ` Kalle Valo [this message]

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