/*
* function to stop the RX
*
* rq - pointer to RQ structure
*
* return none
*/
void
oce_clean_rq(struct oce_rq *rq)
{
uint16_t num_cqe = 0;
struct oce_cq *cq;
struct oce_dev *dev;
struct oce_nic_rx_cqe *cqe;
int32_t ti = 0;
dev = rq->parent;
cq = rq->cq;
cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring, struct oce_nic_rx_cqe);
/* dequeue till you reach an invalid cqe */
for (ti = 0; ti < DEFAULT_DRAIN_TIME; ti++) {
while (RQ_CQE_VALID(cqe)) {
DW_SWAP(u32ptr(cqe), sizeof (struct oce_nic_rx_cqe));
oce_rx_drop_pkt(rq, cqe);
atomic_add_32(&rq->buf_avail,
-(cqe->u0.s.num_fragments & 0x7));
oce_arm_cq(dev, cq->cq_id, 1, B_TRUE);
RQ_CQE_INVALIDATE(cqe);
RING_GET(cq->ring, 1);
cqe = RING_GET_CONSUMER_ITEM_VA(cq->ring,
struct oce_nic_rx_cqe);
num_cqe++;
}
OCE_MSDELAY(1);
}
} /* oce_clean_rq */
/* Checks for pending rx buffers with Stack */
int
oce_rx_pending(struct oce_dev *dev, struct oce_rq *rq, int32_t timeout)
{
int ti;
_NOTE(ARGUNUSED(dev));
for (ti = 0; ti < timeout; ti++) {
if (rq->pending > 0) {
OCE_MSDELAY(10);
continue;
} else {
rq->pending = 0;
break;
}
}
return (rq->pending);
}
/*
* function to stop the WQ
*
* wq - pointer to WQ
*
* return none
*/
void
oce_clean_wq(struct oce_wq *wq)
{
oce_wqe_desc_t *wqed;
int ti;
/* Wait for already posted Tx to complete */
for (ti = 0; ti < DEFAULT_DRAIN_TIME; ti++) {
(void) oce_process_tx_compl(wq, B_FALSE);
OCE_MSDELAY(1);
}
/* Free the remaining descriptors */
while ((wqed = OCE_LIST_REM_HEAD(&wq->wqe_desc_list)) != NULL) {
atomic_add_32(&wq->wq_free, wqed->wqe_cnt);
oce_free_wqed(wq, wqed);
}
oce_drain_eq(wq->cq->eq);
} /* oce_stop_wq */
