With double vlan tagged packets in the fastpath, getting the error: skb_vlan_push got skb with skb->data not at mac header (offset 18) Call skb_reset_mac_header() before calling skb_vlan_push(). Signed-off-by: Eric Woudstra --- This patch replaces: "netfilter: nf_flow_table_ip: Introduce nf_flow_vlan_push()" net/netfilter/nf_flow_table_ip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c index 3fdb10d9bf7f..fd56d663cb5b 100644 --- a/net/netfilter/nf_flow_table_ip.c +++ b/net/netfilter/nf_flow_table_ip.c @@ -738,6 +738,7 @@ static int nf_flow_encap_push(struct sk_buff *skb, switch (tuple->encap[i].proto) { case htons(ETH_P_8021Q): case htons(ETH_P_8021AD): + skb_reset_mac_header(skb); if (skb_vlan_push(skb, tuple->encap[i].proto, tuple->encap[i].id) < 0) return -1; -- 2.53.0