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SubjectRe: [PATCH 4.4 08/56] ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
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On Mon, 2018-05-14 at 08:48 +0200, Greg Kroah-Hartman wrote:
> 4.4-stable review patch.  If anyone has any objections, please let me know.
>
> ------------------
>
> From: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
>
> commit 2f38c3c01de945234d23dd163e3528ccb413066d upstream.
>
> Chipset from QCA99X0 onwards (QCA99X0, QCA9984, QCA4019 & future)
> rx_hdr_status is not padded to align in 4-byte boundary. Define a
> new hw_params field to handle different alignment behaviour between
> different hw. This patch fixes improper retrieval of rfc1042 header
> with QCA4019. This patch along with "ath10k: Properly remove padding
> from the start of rx payload" will fix traffic failure in ethernet
> decap mode for QCA4019.
>
> Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
> Signed-off-by: Sriram R <srirrama@codeaurora.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[...]

I'm curious as to why this backport doesn't include the change to
ath10k_htt_rx_h_find_rfc1042(). I understand that the addition of the
new field is a dependency for the following patch, but shouldn't the
fix included in the upstream commit also be applied to 4.4?

Ben.

--
Ben Hutchings, Software Developer   Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom

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