[PATCH] ath11k: fix target assert during channel switch

Kalle Valo kvalo at codeaurora.org
Mon Nov 15 01:21:25 PST 2021


Venkateswara Naralasetty <quic_vnaralas at quicinc.com> wrote:

> Currently the updated bandwidth for the peer will be configured
> to the firmware after channel switch from the sta_rc_update_wk.
> If the updated bandwidth is greater than the configured peer phymode
> during the peer assoc may result firmware assert.
> 
> For example, initially AP is in HE40 mode and the peer phymode is
> configured as MODE_11AX_HE40 during peer assoc. Now user change the
> channel width to HE80 then, the peer bandwidth will be updated as
> HE80 to the firmware.
> 
> This will trigger firmware assert due to peer bandwidth is greater than
> the peer phymode.
> 
> Fix this issue by sending peer assoc command before setting the updated
> peer bandwith to firmware.
> 
> Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Venkateswara Naralasetty <quic_vnaralas at quicinc.com>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

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

f187fe8e3bc6 ath11k: fix firmware crash during channel switch

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1636644002-25446-1-git-send-email-quic_vnaralas@quicinc.com/

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




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