void enic_init_vnic_resources(struct enic *enic)
{
unsigned int error_interrupt_enable = 1;
unsigned int error_interrupt_offset = 0;
unsigned int index = 0;
for (index = 0; index < enic->rq_count; index++) {
vnic_rq_init(&enic->rq[index],
enic_cq_rq(enic, index),
error_interrupt_enable,
error_interrupt_offset);
}
for (index = 0; index < enic->wq_count; index++) {
vnic_wq_init(&enic->wq[index],
enic_cq_wq(enic, index),
error_interrupt_enable,
error_interrupt_offset);
}
vnic_dev_stats_clear(enic->vdev);
for (index = 0; index < enic->cq_count; index++) {
vnic_cq_init(&enic->cq[index],
0 /* flow_control_enable */,
1 /* color_enable */,
0 /* cq_head */,
0 /* cq_tail */,
1 /* cq_tail_color */,
0 /* interrupt_enable */,
1 /* cq_entry_enable */,
0 /* cq_message_enable */,
0 /* interrupt offset */,
0 /* cq_message_addr */);
}
vnic_intr_init(&enic->intr,
enic->config.intr_timer_usec,
enic->config.intr_timer_type,
/*mask_on_assertion*/1);
}
int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts,
unsigned int budget, unsigned int *work_done)
{
struct enic *enic = vnic_dev_priv(rq->vdev);
unsigned int cq = enic_cq_rq(enic, rq->index);
int err = 0;
*work_done = vnic_cq_service(&enic->cq[cq],
budget, enic_rq_service, (void *)rx_pkts);
if (*work_done) {
vnic_rq_fill(rq, enic_rq_alloc_buf);
/* Need at least one buffer on ring to get going */
if (vnic_rq_desc_used(rq) == 0) {
dev_err(enic, "Unable to alloc receive buffers\n");
err = -1;
}
}
return err;
}
static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
uint16_t rx_queue_id)
{
struct enic *enic = pmd_priv(dev);
uint32_t queue_count = 0;
struct vnic_cq *cq;
uint32_t cq_tail;
uint16_t cq_idx;
int rq_num;
rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
cq = &enic->cq[enic_cq_rq(enic, rq_num)];
cq_idx = cq->to_clean;
cq_tail = ioread32(&cq->ctrl->cq_tail);
if (cq_tail < cq_idx)
cq_tail += cq->ring.desc_count;
queue_count = cq_tail - cq_idx;
return queue_count;
}