RE: [RFC 2/2] be2net: Added functionality to support RoCE driver

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From: David Laight [David.Laight@xxxxxxxxxx]
Sent: Thursday, March 08, 2012 7:08 PM
To: Pandit, Parav; romieu@xxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Subject: RE: [RFC 2/2] be2net: Added functionality to support RoCE driver

> > > + void *ocrdma_dev;
> > > Is there a reason why it could not be 'struct ocrdma_dev *o' ?
> [Parav] Yes. Reason is NIC driver publishes interface to RoCE
> driver. NIC driver is not aware of ocrdma_dev structure.
> So its void pointer.

If the argument can only ever be 'struct ocrdma_dev *'
then used the named structure pointer - you don't need to
expose the actual definition to the other drivers.

Makes it much more difficult to pass the address of an
inappropriate structure.
[Parav] If I understand correctly, I should do following.

Instead of void* in add(), remove(), event_handler(), 
it should be struct ocrdma_dev* with forward declaration.

Is that correct understanding?


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