Function iavf_dev_watchdog

dpdk/drivers/net/iavf/iavf_ethdev.c:279–329

}

__rte_unused
static void
iavf_dev_watchdog(void *cb_arg)
{
	struct iavf_adapter *adapter = cb_arg;
	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
	int vfr_inprogress = 0, rc = 0;

	/* check if watchdog has been disabled since last call */
	if (!adapter->vf.watchdog_enabled)
		return;

	/* If in reset then poll vfr_inprogress register for completion */
	if (adapter->vf.vf_reset) {
		vfr_inprogress = iavf_vfr_inprogress(hw);

		if (!vfr_inprogress) {
			PMD_DRV_LOG(INFO, "VF \"%s\" reset has completed",
				adapter->vf.eth_dev->data->name);
			adapter->vf.vf_reset = false;
			iavf_set_no_poll(adapter, false);
		}
	/* If not in reset then poll vfr_inprogress register for VFLR event */
	} else {
		vfr_inprogress = iavf_vfr_inprogress(hw);

		if (vfr_inprogress) {
			PMD_DRV_LOG(INFO,
				"VF \"%s\" reset event detected by watchdog",
				adapter->vf.eth_dev->data->name);

			/* enter reset state with VFLR event */
			adapter->vf.vf_reset = true;
			iavf_set_no_poll(adapter, false);
			adapter->vf.link_up = false;

			iavf_dev_event_post(adapter->vf.eth_dev, RTE_ETH_EVENT_INTR_RESET,
				NULL, 0);
		}
	}

	if (adapter->devargs.watchdog_period) {
		/* re-alarm watchdog */
		rc = rte_eal_alarm_set(adapter->devargs.watchdog_period,
					&iavf_dev_watchdog, cb_arg);

		if (rc)
			PMD_DRV_LOG(ERR, "Failed \"%s\" to reset device watchdog alarm",
				adapter->vf.eth_dev->data->name);
	}
}

void
iavf_dev_watchdog_enable(struct iavf_adapter *adapter)