Wen Gong <wg...@codeaurora.org> wrote:

> For sdio chip, if the rssi is not good, then it have some retry,
> firmware will indicate the msdu list of a ppdu with a hole, it
> means it lost the hole msdu, after the msdu retry from AP, the
> hole msdu will indicate from firmware later. The hole msdu's PN
> check will fail and the hole msdu will be dropped.
> 
> PN check fail example:
> Sequence number PN number  PN check status
>      3814         6101         success
>      3815         6102         success
>      3816         6103         success
>      3818         6105         success
>      3819         6106         success
>      3820         6107         success
>      3817         6104         fail
> 
> The correct logic is reorder the msdu list and then do PN check.
> ieee80211_rx_reorder_ampdu of mac80211 will do the reorer logic
> and then do PN check in ieee80211_rx_h_decrypt of mac80211.
> 
> example after reorder:
> Sequence number PN number  PN check status
>      3814         6101         success
>      3815         6102         success
>      3816         6103         success
>      3817         6104         success
>      3818         6105         success
>      3819         6106         success
>      3820         6107         success
> 
> Tested with QCA6174 SDIO with firmware
> WLAN.RMH.4.4.1-00017-QCARMSWP-1.
> 
> Signed-off-by: Wen Gong <wg...@codeaurora.org>
> Signed-off-by: Kalle Valo <kv...@codeaurora.org>

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

db8deae03271 ath10k: add reorder and change PN check logic for mac80211

-- 
https://patchwork.kernel.org/patch/11105545/

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

Reply via email to