From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH 1/3] net/netvsc: support receive without vlan
 strip
Date: Mon, 17 Dec 2018 10:27:03 +0000
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References: <20181214012621.15213-1-stephen@networkplumber.org>
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 <20181214082844.2b125896@xeon-e3>
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Cc: dev@dpdk.org, Stephen Hemminger <sthemmin@microsoft.com>
To: Stephen Hemminger <stephen@networkplumber.org>
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On 12/14/2018 4:28 PM, Stephen Hemminger wrote:
> On Fri, 14 Dec 2018 16:09:33 +0000
> Ferruh Yigit <ferruh.yigit@intel.com> wrote:
> 
>> On 12/14/2018 1:26 AM, Stephen Hemminger wrote:
>>> In some cases, VLAN stripping is not desireable. If necessary
>>> re-insert stripped vlan tag.
>>>
>>> Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>  
>>
>> <...>
>>
>>> @@ -501,6 +501,14 @@ static void hn_rxpkt(struct hn_rx_queue *rxq, struct hn_rx_bufinfo *rxb,
>>>  	if (info->vlan_info != HN_NDIS_VLAN_INFO_INVALID) {
>>>  		m->vlan_tci = info->vlan_info;
>>>  		m->ol_flags |= PKT_RX_VLAN_STRIPPED | PKT_RX_VLAN;
>>> +
>>> +		/* NDIS always strips tag, put it back if necessary */
>>> +		if (!hv->vlan_strip && rte_vlan_insert(&m)) {  
>>
>> Should 'PKT_RX_VLAN_STRIPPED' flag removed when vlan inserted back?
> 
> This is already done by rte_vlan_insert()

Yes it does, so it is OK.