/*
* RQ buffer constructor function
*
* rqbd - pointer to rq buffer descriptor
* rq - pointer to RQ structure
* size - size of the buffer
* flags - KM_SLEEP OR KM_NOSLEEP
*
* return DDI_SUCCESS => success, DDI_FAILURE otherwise
*/
static int
oce_rqb_ctor(oce_rq_bdesc_t *rqbd, struct oce_rq *rq, size_t size, int flags)
{
struct oce_dev *dev;
oce_dma_buf_t *dbuf;
dev = rq->parent;
dbuf = oce_alloc_dma_buffer(dev, size, &oce_rx_buf_attr, flags);
if (dbuf == NULL) {
return (DDI_FAILURE);
}
/* Set the call back function parameters */
rqbd->fr_rtn.free_func = (void (*)())oce_rx_pool_free;
rqbd->fr_rtn.free_arg = (caddr_t)(void *)rqbd;
rqbd->mp = desballoc((uchar_t *)(dbuf->base),
dbuf->size, 0, &rqbd->fr_rtn);
if (rqbd->mp == NULL) {
oce_free_dma_buffer(dev, dbuf);
return (DDI_FAILURE);
}
rqbd->rqb = dbuf;
rqbd->rq = rq;
rqbd->frag_addr.dw.addr_lo = ADDR_LO(dbuf->addr + OCE_RQE_BUF_HEADROOM);
rqbd->frag_addr.dw.addr_hi = ADDR_HI(dbuf->addr + OCE_RQE_BUF_HEADROOM);
rqbd->mp->b_rptr = (uchar_t *)rqbd->rqb->base + OCE_RQE_BUF_HEADROOM;
return (DDI_SUCCESS);
} /* oce_rqb_ctor */
void
oce_hw_fini(struct oce_dev *dev)
{
if (dev->bmbx != NULL) {
oce_free_dma_buffer(dev, dev->bmbx);
dev->bmbx = NULL;
}
}
/*
* function to undo initialization done in oce_stat_init
*
* dev - software handle to the device
*
* return none
*/
void
oce_stat_fini(struct oce_dev *dev)
{
oce_free_dma_buffer(dev, dev->stats_dbuf);
dev->hw_stats = NULL;
dev->stats_dbuf = NULL;
kstat_delete(dev->oce_kstats);
dev->oce_kstats = NULL;
} /* oce_stat_fini */
/*
* RQ buffer destructor function
*
* rqbd - pointer to rq buffer descriptor
*
* return none
*/
static void
oce_rqb_dtor(oce_rq_bdesc_t *rqbd)
{
if ((rqbd == NULL) || (rqbd->rq == NULL)) {
return;
}
if (rqbd->mp != NULL) {
rqbd->fr_rtn.free_arg = NULL;
freemsg(rqbd->mp);
rqbd->mp = NULL;
}
oce_free_dma_buffer(rqbd->rq->parent, rqbd->rqb);
} /* oce_rqb_dtor */
/*
* function to destroy a ring buffer
*
* dev - software handle to teh device
* ring - the ring buffer to delete
*
* return none
*/
void
destroy_ring_buffer(struct oce_dev *dev, oce_ring_buffer_t *ring)
{
ASSERT(dev != NULL);
ASSERT(ring != NULL);
/* free the dbuf associated with the ring */
oce_free_dma_buffer(dev, ring->dbuf);
ring->dbuf = NULL;
/* free the ring itself */
kmem_free(ring, sizeof (oce_ring_buffer_t));
} /* destroy_ring_buffer */
/*
* WQ buffer destructor
*
* wq - pointer to WQ structure
* wqbd - pointer to WQ buffer descriptor
*
* return none
*/
static void
oce_wqb_dtor(struct oce_wq *wq, oce_wq_bdesc_t *wqbd)
{
oce_free_dma_buffer(wq->parent, wqbd->wqb);
}
