[dpdk-dev] net/i40e: add promiscuous configure unsupported check

[Xiao Zhang]

Return ENOTSUP error code when configuring i40evf promiscuous mode to
fix port start hang issue on platforms which are unsupported to configure
promiscuous mode.

Fixes: ddc7cb0d9453 ("net/i40e: re-program promiscuous mode on VF
interface")
Cc: stable at dpdk.org

Signed-off-by: Xiao Zhang <xiao.zhang at intel.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index c34f520..244397e 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2191,6 +2191,8 @@ i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 	ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
 	if (ret == 0)
 		vf->promisc_unicast_enabled = TRUE;
+	else if (ret == I40E_NOT_SUPPORTED)
+		ret = -ENOTSUP;
 	else
 		ret = -EAGAIN;
 
@@ -2206,6 +2208,8 @@ i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 	ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
 	if (ret == 0)
 		vf->promisc_unicast_enabled = FALSE;
+	else if (ret == I40E_NOT_SUPPORTED)
+		ret = -ENOTSUP;
 	else
 		ret = -EAGAIN;
 
@@ -2221,6 +2225,8 @@ i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 	ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
 	if (ret == 0)
 		vf->promisc_multicast_enabled = TRUE;
+	else if (ret == I40E_NOT_SUPPORTED)
+		ret = -ENOTSUP;
 	else
 		ret = -EAGAIN;
 
@@ -2236,6 +2242,8 @@ i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 	ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
 	if (ret == 0)
 		vf->promisc_multicast_enabled = FALSE;
+	else if (ret == I40E_NOT_SUPPORTED)
+		ret = -ENOTSUP;
 	else
 		ret = -EAGAIN;
 
-- 
2.7.4