net/hinic: increase protection of the VLAN

If the VLAN id 0 is deleted for hinic, all packets without
VLAN will be discarded when the VLAN filter is turned on.

Fixes: 50ce3e7aec8f ("ethdev: fix VLAN offloads set if no relative capabilities")
Cc: stable@dpdk.org
Signed-off-by: Guoyang Zhou <zhouguoyang@huawei.com>

diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c
index 9464657..75849f2 100644 (file)
--- a/drivers/net/hinic/hinic_pmd_ethdev.c
+++ b/drivers/net/hinic/hinic_pmd_ethdev.c
@@ -1617,6 +1617,9 @@ static int hinic_vlan_filter_set(struct rte_eth_dev *dev,
        if (vlan_id > RTE_ETHER_MAX_VLAN_ID)
                return -EINVAL;
 
+       if (vlan_id == 0)
+               return 0;
+
        func_id = hinic_global_func_id(nic_dev->hwdev);
 
        if (enable) {