X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fliquidio%2Flio_ethdev.c;h=0ca491b0bbe4b91b0b762457d04cfd8c0dcd1162;hb=e4df4d55df003957fc5afd7440e3d3192d7ce218;hp=4b1896619a37175c0a29471b77dbda29b14d536b;hpb=055c52583a2794da8ba1e85a48cce3832372b12f;p=deb_dpdk.git

diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 4b189661..0ca491b0 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -1479,6 +1479,11 @@ lio_dev_start(struct rte_eth_dev *eth_dev)
 	/* Configure RSS if device configured with multiple RX queues. */
 	lio_dev_mq_rx_configure(eth_dev);
 
+	/* Before update the link info,
+	 * must set linfo.link.link_status64 to 0.
+	 */
+	lio_dev->linfo.link.link_status64 = 0;
+
 	/* start polling for lsc */
 	ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
 				lio_sync_link_state_check,
@@ -1636,6 +1641,11 @@ lio_dev_close(struct rte_eth_dev *eth_dev)
 		rte_write32(pkt_count, droq->pkts_sent_reg);
 	}
 
+	if (lio_dev->pci_dev->kdrv == RTE_KDRV_IGB_UIO) {
+		cn23xx_vf_ask_pf_to_do_flr(lio_dev);
+		rte_delay_ms(LIO_PCI_FLR_WAIT);
+	}
+
 	/* lio_free_mbox */
 	lio_dev->fn_list.free_mbox(lio_dev);
 
@@ -2009,6 +2019,13 @@ lio_first_time_init(struct lio_device *lio_dev,
 	if (cn23xx_pfvf_handshake(lio_dev))
 		goto error;
 
+	/* Request and wait for device reset. */
+	if (pdev->kdrv == RTE_KDRV_IGB_UIO) {
+		cn23xx_vf_ask_pf_to_do_flr(lio_dev);
+		/* FLR wait time doubled as a precaution. */
+		rte_delay_ms(LIO_PCI_FLR_WAIT * 2);
+	}
+
 	if (cn23xx_vf_set_io_queues_off(lio_dev)) {
 		lio_dev_err(lio_dev, "Setting io queues off failed\n");
 		goto error;