[ewg] Re: [PATCH] IB/ipoib: set child MTU as the parent's

[Roland Dreier]

 > When the child joins the broadcast group reset the mtu to
 > the real one.

This changelog is a little too short for me to understand what this is
fixing.  It seems that child devices are left with a bogus MTU until
they complete their multicast join, is that it?

 > +	priv->dev->mtu  = IPOIB_UD_MTU(priv->max_ib_mtu);
 > +	priv->mcast_mtu  = priv->admin_mtu = priv->dev->mtu;

Do child devices also need to copy over the checksum offload/LSO stuff
from the parent?

 - R.