Network header is set with offset ETH_HLEN but it is not true for VLAN
(multiple-)tagged and results in checksum issues in lower devices.
Signed-off-by: Ivan Vecera <ivec...@redhat.com>
---
drivers/net/macvtap.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 3b933bb..cdcbab4 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -796,6 +796,12 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q,
struct msghdr *m,
skb_reset_mac_header(skb);
skb->protocol = eth_hdr(skb)->h_proto;
+ if (skb_vlan_tagged(skb)) {
+ int depth;
+ skb->protocol = __vlan_get_protocol(skb, skb->protocol, &depth);
+ skb_set_network_header(skb, depth);
+ }
+
if (vnet_hdr_len) {
err = macvtap_skb_from_vnet_hdr(q, skb, &vnet_hdr);
if (err)
--
2.3.6
--
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