On Sun, 2017-03-19 at 11:18 +0200, Leon Romanovsky wrote:
> From: Feras Daoud <ferasda@xxxxxxxxxxxx>
>
> Update the broadcast address in the priv->broadcast object when the
> Pkey value changes in index 0, otherwise the multicast GID value will
> keep the previous value of the PKey, and will not be updated.
> This leads to interface state down because the interface will keep
> the
> old PKey value.
>
> For example, in SR-IOV environment, if the PF changes the value of
> PKey
> index 0 for one of the VFs, then the VF receives PKey change event
> that
> triggers heavy flush. This flush calls update_parent_pkey that update
> the
> broadcast object and its relevant members. If in this case the
> multicast
> GID will not be updated, the interface state will be down.
>
> Fixes: c2904141696e ("IPoIB: Fix pkey change flow for virtualization
> environments")
> Signed-off-by: Feras Daoud <ferasda@xxxxxxxxxxxx>
> Signed-off-by: Erez Shitrit <erezsh@xxxxxxxxxxxx>
> Reviewed-by: Alex Vesker <valex@xxxxxxxxxxxx>
> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Thanks, applied.
--
Doug Ledford <dledford@xxxxxxxxxx>
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