From: Steve Yang <stevex.yang@intel.com>
Date: Tue, 15 Sep 2020 06:46:22 +0000 (+0000)
Subject: net/ixgbe: fix VF reset HW error handling
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=7c6e6aef870848cf887b2115d7c13bfcde6f4627;p=dpdk.git

net/ixgbe: fix VF reset HW error handling

When start a VF with no initial MAC address assigned by the underlying
Host PF driver, just reuse the MAC address assigned when VF is
initializing.

Fixes: f69166c9a3c9 ("net/ixgbe: fix reset error handling")
Cc: stable@dpdk.org

Signed-off-by: Steve Yang <stevex.yang@intel.com>
Acked-by: Jeff Guo <jia.guo@intel.com>
---

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index c74467e068..8da963a916 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -5320,10 +5320,16 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
 	ixgbe_dev_wait_setup_link_complete(dev, 0);
 
 	err = hw->mac.ops.reset_hw(hw);
-	if (err) {
+
+	/**
+	 * In this case, reuses the MAC address assigned by VF
+	 * initialization.
+	 */
+	if (err != IXGBE_SUCCESS && err != IXGBE_ERR_INVALID_MAC_ADDR) {
 		PMD_INIT_LOG(ERR, "Unable to reset vf hardware (%d)", err);
 		return err;
 	}
+
 	hw->mac.get_link_status = true;
 
 	/* negotiate mailbox API version to use with the PF. */