/*

 * since all pointers are 4 bytes or even 8 bytes aligned,

 * let's simply embed the poll_type in the lower bits of vmk_NetPoll->priv

 * final pointer value = (original priv pointer | poll_type)

 */

#define POLLPRIV_TYPE_BITS	1

#define POLLPRIV_TYPE_MASK	((1 << POLLPRIV_TYPE_BITS) - 1)

static inline void *pollpriv_embed(void *priv, vmklnx_poll_type poll_type)

{

        VMK_ASSERT(priv);

        VMK_ASSERT((((unsigned long) priv) & POLLPRIV_TYPE_MASK) == 0);

        VMK_ASSERT(poll_type <= POLLPRIV_TYPE_MASK);

        return (void *)(((unsigned long )priv) | poll_type);

}

static inline vmklnx_poll_type pollpriv_type(void *priv)

{

        VMK_ASSERT(priv);

        return (vmklnx_poll_type)(((unsigned long)priv) & POLLPRIV_TYPE_MASK);

}

static inline struct napi_struct *pollpriv_napi(void *priv)

{

        VMK_ASSERT(pollpriv_type(priv) == NETPOLL_DEFAULT);

        return (struct napi_struct *) (((unsigned long)priv) & (~POLLPRIV_TYPE_MASK));

}

static inline struct net_device *pollpriv_net_device(void *priv)

{

        VMK_ASSERT(pollpriv_type(priv) == NETPOLL_BACKUP);

        return (struct net_device *)  (((unsigned long)priv) & (~POLLPRIV_TYPE_MASK));

}