On Tue, 1 Jun 2021 at 17:08, Bryan O'Donoghue
<bryan.odonoghue@xxxxxxxxxx> wrote:
>
> In both cases using Wireshark we see the target system receive an ARP or
> NS6 lookup and respond, followed by the host sending a ping or ping6 and
> the target system coming out of suspend.
>
> Similarly watching GTK keying on the AP when the device is in suspend, we
> see the firmware successfully rekey and when we resume, the host picking up
> the rekey material with persistence of the WiFi link during suspend/resume.
>
> commit 5336fad96e8f ("wcn36xx: Enable firmware offloaded keepalive")
> ensures that the link is kept alive in suspend, this additional set gives
> the ability to
>
> - Resolve ARP/NS6 lookups without waking the system
> - Rekeying in suspend
> - Suspending and resuming based on received datagram
>
> https://git.linaro.org/people/bryan.odonoghue/kernel.git/log/?h=ath.master-wcn36xx-fw-offload-suspend-resume
>
> Bryan O'Donoghue (12):
> wcn36xx: Return result of set_power_params in suspend
> wcn36xx: Run suspend for the first ieee80211_vif
> wcn36xx: Add ipv4 ARP offload support in suspend
> wcn36xx: Do not flush indication queue on suspend/resume
> wcn36xx: Add ipv6 address tracking
> wcn36xx: Add ipv6 namespace offload in suspend
> wcn36xx: Add set_rekey_data callback
> wcn36xx: Add GTK offload to WoWLAN path
> wcn36xx: Add GTK offload info to WoWLAN resume
> wcn36xx: Add Host suspend indication support
> wcn36xx: Add host resume request support
> wcn36xx: Enable WOWLAN flags
>
> drivers/net/wireless/ath/wcn36xx/hal.h | 20 +-
> drivers/net/wireless/ath/wcn36xx/main.c | 110 ++++++++-
> drivers/net/wireless/ath/wcn36xx/smd.c | 265 +++++++++++++++++++++
> drivers/net/wireless/ath/wcn36xx/smd.h | 17 ++
> drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 14 ++
> 5 files changed, 412 insertions(+), 14 deletions(-)
Reviewed-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
