[dpdk-dev] [PATCH] net/i40e: keep promisc on if allmulticast is enabled

[Huaibin Wang <huaibin.wang@6wind.com>]

From: huaibin Wang <huaibin.wang@6wind.com>

Promisc should not be disabled if the all multicast mode is enabled.
Patch keeps the promiscuous on if all multicast mode is on, this
behavior is also consistant with the implementation done on ixgbe
pmd.

Signed-off-by: huaibin Wang <huaibin.wang@6wind.com>
Signed-off-by: Laurent Hardy <laurent.hardy@6wind.com>
---
Cc: Beilei Xing <beilei.xing@intel.com>
Cc: Qi Zhang <qi.z.zhang@intel.com>

 drivers/net/i40e/i40e_ethdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index f7a685c8c..6c503debc 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2587,6 +2587,10 @@ i40e_dev_promiscuous_disable(struct rte_eth_dev *dev)
 	if (status != I40E_SUCCESS)
 		PMD_DRV_LOG(ERR, "Failed to disable unicast promiscuous");
 
+	/* must remain in all_multicast mode */
+	if (dev->data->all_multicast == 1)
+		return;
+
 	status = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
 							false, NULL);
 	if (status != I40E_SUCCESS)
-- 
2.11.0