netdev - Re: [PATCH v2 net-next] net: dsa: felix: update base time of time-aware shaper when adjusting PTP time

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Date:   Sun, 19 Jun 2022 09:00:12 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Xiaoliang Yang <xiaoliang.yang_1@....com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, allan.nielsen@...rochip.com,
        joergen.andreasen@...rochip.com, horatiu.vultur@...rochip.com,
        UNGLinuxDriver@...rochip.com, alexandre.belloni@...tlin.com,
        fido_max@...ox.ru, f.fainelli@...il.com, vivien.didelot@...il.com,
        pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com,
        andrew@...n.ch, alexandru.marginean@....com,
        claudiu.manoil@....com, vladimir.oltean@....com,
        leoyang.li@....com, yangbo.lu@....com
Subject: Re: [PATCH v2 net-next] net: dsa: felix: update base time of time-aware
 shaper when adjusting PTP time

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@...emloft.net>:

On Fri, 17 Jun 2022 11:24:23 +0800 you wrote:
> When adjusting the PTP clock, the base time of the TAS configuration
> will become unreliable. We need reset the TAS configuration by using a
> new base time.
> 
> For example, if the driver gets a base time 0 of Qbv configuration from
> user, and current time is 20000. The driver will set the TAS base time
> to be 20000. After the PTP clock adjustment, the current time becomes
> 10000. If the TAS base time is still 20000, it will be a future time,
> and TAS entry list will stop running. Another example, if the current
> time becomes to be 10000000 after PTP clock adjust, a large time offset
> can cause the hardware to hang.
> 
> [...]

Here is the summary with links:
  - [v2,net-next] net: dsa: felix: update base time of time-aware shaper when adjusting PTP time
    https://git.kernel.org/netdev/net-next/c/8670dc33f48b

You are awesome, thank you!
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