On 2/4/21 3:16 AM, Marcelo Ricardo Leitner wrote:
> hw-offload is can actually be enabled without a restart. Then, once
> enabled, a restart is needed in order to make the new value effective.
> 
> tc-policy, just like hw-offload, is protected by ovsthread_once_start()
> in netdev_set_flow_api_enabled() and is only parsed when hw-offload is
> enabled. So lets document that if hw-offload was already enabled
> changing it requires a restart in order for it to have effect.
> 
> v2: include changes regarding the new understanding on hw-offload
> v3: fixed warnings

Please, move this below the cut line. :)

> 
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com>
> ---
>  vswitchd/vswitch.xml | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
> index 
> 5b2a174ab813139d3f3253be47758d4bfb1beac3..83131b8f81502c34230e7e0b69fbb15a19721486
>  100644
> --- a/vswitchd/vswitch.xml
> +++ b/vswitchd/vswitch.xml
> @@ -228,8 +228,8 @@
>            Set this value to <code>true</code> to enable netdev flow offload.
>          </p>
>          <p>
> -          The default value is <code>false</code>. Changing this value 
> requires
> -          restarting the daemon
> +          The default value is <code>false</code>. Disabling this value 
> requires
> +          restarting the daemon.

'disabling this value' doesn't sound right.  We can disable the feature,
but not the value.
Maybe 'Changing this value from <code>true</code> to <code>false</code>' ?

>          </p>
>          <p>
>            Currently Open vSwitch supports hardware offloading on
> @@ -267,7 +267,9 @@
>            <ref column="other_config" key="hw-offload"/> is enabled.
>          </p>
>          <p>
> -          The default value is <code>none</code>.
> +          The default value is <code>none</code>. Changing this value 
> requires
> +          restarting the daemon if
> +          <ref column="other_config" key="hw-offload"/> was already enabled.
>          </p>
>        </column>
>  
> 

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