[dpdk-dev] [dpdk-stable] [PATCH] net/bonding: stop and deactivate slaves when bonding port is stopped

Ferruh Yigit ferruh.yigit at intel.com
Fri Aug 24 12:39:27 CEST 2018


On 8/23/2018 4:21 PM, Chas Williams wrote:
> 
> 
> On Thu, Aug 23, 2018 at 9:15 AM Ferruh Yigit <ferruh.yigit at intel.com
> <mailto:ferruh.yigit at intel.com>> wrote:
> 
>     On 8/6/2018 4:50 PM, Chas Williams wrote:
>     > On Sun, Aug 5, 2018 at 5:55 PM Thomas Monjalon <thomas at monjalon.net
>     <mailto:thomas at monjalon.net>> wrote:
>     >
>     >> 02/08/2018 15:38, Doherty, Declan:
>     >>> On 01/08/2018 2:18 PM, Radu Nicolau wrote:
>     >>>> When a bonding port is stopped also stop and deactivate all slaves.
>     >>>> Otherwise slaves will be still listed as active.
>     >>>>
>     >>>> Fixes: 69bce062132b ("net/bonding: do not clear active slave count")
>     >>>> Cc: stable at dpdk.org <mailto:stable at dpdk.org>
>     >>>>
>     >>>> Signed-off-by: Radu Nicolau <radu.nicolau at intel.com
>     <mailto:radu.nicolau at intel.com>>
>     >>>
>     >>> Acked-by: Declan Doherty <declan.doherty at intel.com
>     <mailto:declan.doherty at intel.com>>
>     >>
>     >> Waiting for opinion from the other bonding maintainer (Chas)
>     >> who started to review and has some doubts.
>     >>
>     >
>     > The slaves being listed as active is not a bug.  If the slaves are not
>     > deactivated, then they should be considered activated.  Previously,
>     > stopping the bonding PMD just reset the active slave count.  That's
>     > not the right way to deactivate slaves.  This was fixed by 69bce062132b.
>     >
>     > This patch is new behavior of explicitly deactivating the slaves when
>     > the bonding PMD is stopped.
>     >
>     > As I mentioned, I think this makes life difficult for those of us using
>     > an external state machine.  However, that should probably be fixed
>     > differently then.
>     >
>     >
>     >>
>     >> Chas, please do you agree with Declan's ack?
>     >>
>     >>
>     >>
>     > Change the Fixes line.
> 
>     Hi Chas,
> 
>     Are you OK with the rest of the patch if Fixes line fixed?
>     If already have a proposed fixes line I can fix it while merging.
> 
> 
> Yes, the rest of the patch is fine as long as the Fixes is correct.
> Try this:
> 
>     Fixes: 2efb58cbab6e ("bond: new link bonding library")
> 
> And it's really new behavior.  Perhaps Fixes: isn't quite right.
> The current code works fine with activated slaves existing outside
> of the stop/star.

>From your description dropping Fixes line seems OK, but it will effect if the
patch backported or not.

Isn't it clear from bonding requirement what should slave ports' status be when
bonding port it stopped?


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