[dpdk-dev] [PATCH 1/3] net/netvsc: support receive without vlan strip
Ferruh Yigit
ferruh.yigit at intel.com
Mon Dec 17 11:27:03 CET 2018
On 12/14/2018 4:28 PM, Stephen Hemminger wrote:
> On Fri, 14 Dec 2018 16:09:33 +0000
> Ferruh Yigit <ferruh.yigit at 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 at 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.
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