Re: [PATCH] wcn36xx: Fix packet drop on resume
From: Kalle Valo <hidden>
Date: 2021-10-27 07:45:38
Loic Poulain [off-list ref] wrote:
If the system is resumed because of an incoming packet, the wcn36xx RX interrupts is fired before actual resuming of the wireless/mac80211 stack, causing any received packets to be simply dropped. E.g. a ping request causes a system resume, but is dropped and so never forwarded to the IP stack. This change fixes that, disabling DMA interrupts on suspend to no pass packets until mac80211 is resumed and ready to handle them. Note that it's not incompatible with RX irq wake. Signed-off-by: Loic Poulain <redacted> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <redacted>
Patch applied to ath-next branch of ath.git, thanks. df0697801d8a wcn36xx: Fix packet drop on resume -- https://patchwork.kernel.org/project/linux-wireless/patch/1635150496-19290-1-git-send-email-loic.poulain@linaro.org/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches