[dpdk-dev] [PATCH v2] net: fix stripped VLAN flag for offload emulation
Thomas Monjalon
thomas at monjalon.net
Fri May 5 00:36:13 CEST 2017
From: Michał Mirosław <michal.miroslaw at atendesoftware.pl>
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 at dpdk.org
Signed-off-by: Michał Mirosław <michal.miroslaw at atendesoftware.pl>
Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
---
v2: add explanations and update rte_vlan_insert()
---
lib/librte_net/rte_ether.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/librte_net/rte_ether.h b/lib/librte_net/rte_ether.h
index ff3d06540..5edf66c3f 100644
--- 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;
}
--
2.12.2
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