void efhw_keventq_dtor(struct efhw_nic *nic, struct efhw_keventq *evq)
{
EFHW_ASSERT(evq);
EFHW_TRACE("%s: [%d]", __FUNCTION__, evq->instance);
/* Zero the timer-value for this queue.
And Tell NIC to stop using this event queue. */
efhw_nic_event_queue_disable(nic, evq->instance, 0);
/* free the pages used by the eventq itself */
efhw_iopages_free(nic, &evq->hw.iobuff);
}
void efhw_keventq_dtor(struct efhw_nic *nic, struct efhw_keventq *evq)
{
int order = EFHW_GFP_ORDER_TO_NIC_ORDER(get_order(evq->hw.capacity *
sizeof(efhw_event_t)));
EFHW_ASSERT(evq);
EFHW_TRACE("%s: [%d]", __FUNCTION__, evq->instance);
/* Zero the timer-value for this queue.
And Tell NIC to stop using this event queue. */
efhw_nic_event_queue_disable(nic, evq->instance,
0 /* not used on falcon */);
/* Free buftable entries */
efhw_nic_buffer_table_clear(nic, evq->hw.bt_block, 0,
1 << order);
efhw_nic_buffer_table_free(nic, evq->hw.bt_block);
/* free the pages used by the eventq itself */
efhw_iopages_free(nic->pci_dev, &evq->hw.iobuff, NULL);
}
void efrm_eventq_reset(struct efrm_vi *virs)
{
struct efhw_nic *nic = virs->rs.rs_client->nic;
struct efrm_nic *efrm_nic = container_of(nic, struct efrm_nic,
efhw_nic);
int instance = virs->rs.rs_instance;
int wakeup_evq;
EFRM_ASSERT(virs->q[EFHW_EVQ].capacity != 0);
/* FIXME: Protect against concurrent resets. */
efhw_nic_event_queue_disable(nic, instance,
(virs->flags & EFHW_VI_RX_TIMESTAMPS) != 0);
wakeup_evq = virs->net_drv_wakeup_channel >= 0?
virs->net_drv_wakeup_channel:
efrm_nic->rss_channel_count == 0?
0:
instance % efrm_nic->rss_channel_count;
memset(efrm_eventq_base(virs), EFHW_CLEAR_EVENT_VALUE,
efrm_vi_rm_evq_bytes(virs, -1));
virs->out_flags = 0;
/* NB. We do not enable DOS protection because of bug12916. */
efhw_nic_event_queue_enable(nic, instance, virs->q[EFHW_EVQ].capacity,
efrm_bt_allocation_base(&virs->q[EFHW_EVQ].bt_alloc),
virs->q[EFHW_EVQ].dma_addrs,
1 << virs->q[EFHW_EVQ].page_order,
/* make siena look like falcon for now */
instance < 64,
0, wakeup_evq,
(virs->flags &
(EFHW_VI_RX_TIMESTAMPS |
EFHW_VI_TX_TIMESTAMPS)) != 0,
(virs->flags &
EFHW_VI_NO_CUT_THROUGH) == 0,
&virs->rx_ts_correction,
&virs->out_flags);
}