[PATCH 2/2 - linux-stable-4.4] ath10k: rebuild crypto header in rx data frames

Greg KH gregkh at linuxfoundation.org
Mon Apr 30 12:09:01 PDT 2018

On Mon, Apr 30, 2018 at 11:56:27AM +0530, Sriram R wrote:
> Rx data frames notified through HTT_T2H_MSG_TYPE_RX_IND and
> HTT_T2H_MSG_TYPE_RX_FRAG_IND expect PN/TSC check to be done
> on host (mac80211) rather than firmware. Rebuild cipher header
> in every received data frames (that are notified through those
> HTT interfaces) from the rx_hdr_status tlv available in the
> rx descriptor of the first msdu. Skip setting RX_FLAG_IV_STRIPPED
> flag for the packets which requires mac80211 PN/TSC check support
> and set appropriate RX_FLAG for stripped crypto tail. Hw QCA988X,
> and QCA99X0 currently need the rebuilding of cipher header to
> perform PN/TSC check for replay attack.
> [Upstream Commit : 7eccb738fce57cbe53ed903ccf43f9ab257b15b3]
> Signed-off-by: Vasanthakumar Thiagarajan <vthiagar at codeaurora.org>
> Signed-off-by: Sriram R <srirrama at codeaurora.org>
> ---
>  drivers/net/wireless/ath/ath10k/htt_rx.c | 98 ++++++++++++++++++++++++++------
>  1 file changed, 82 insertions(+), 16 deletions(-)

This patch breaks the build.  Always test build your patches!


greg k-h

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