net: fix stripped VLAN flag for offload emulation

Apply the new flag PKT_RX_VLAN_STRIPPED to the software emulation case
(currently only for virtio and af_packet).

Fixes: b37b528d957c ("mbuf: add new Rx flags for stripped VLAN")
Cc: stable@dpdk.org
Signed-off-by: Michał Mirosław <michal.miroslaw@atendesoftware.pl>
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

diff --git a/lib/librte_net/rte_ether.h b/lib/librte_net/rte_ether.h
index ff3d065..5edf66c 100644 (file)
--- a/lib/librte_net/rte_ether.h
+++ b/lib/librte_net/rte_ether.h
@@ -357,7 +357,7 @@ static inline int rte_vlan_strip(struct rte_mbuf *m)
                return -1;
 
        struct vlan_hdr *vh = (struct vlan_hdr *)(eh + 1);
-       m->ol_flags |= PKT_RX_VLAN_PKT;
+       m->ol_flags |= PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED;
        m->vlan_tci = rte_be_to_cpu_16(vh->vlan_tci);
 
        /* Copy ether header over rather than moving whole packet */
@@ -407,6 +407,8 @@ static inline int rte_vlan_insert(struct rte_mbuf **m)
        vh = (struct vlan_hdr *) (nh + 1);
        vh->vlan_tci = rte_cpu_to_be_16((*m)->vlan_tci);
 
+       (*m)->ol_flags &= ~PKT_RX_VLAN_STRIPPED;
+
        return 0;
 }