vxlan: consolidate GBP handling even more

Now when the packet is scrubbed early, skb->mark can be set in the GBP
handling code.
Signed-off-by: NJiri Benc <jbenc@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/vxlan.c

@@ -1164,6 +1164,7 @@ static bool vxlan_remcsum(struct vxlanhdr *unparsed,
 }
 
 static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed,
+				struct sk_buff *skb, u32 vxflags,
 				struct vxlan_metadata *md,
 				struct metadata_dst *tun_dst)
 {
@@ -1183,6 +1184,9 @@ static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed,
 	if (gbp->policy_applied)
 		md->gbp |= VXLAN_GBP_POLICY_APPLIED;
 
+	/* In flow-based mode, GBP is carried in dst_metadata */
+	if (!(vxflags & VXLAN_F_COLLECT_METADATA))
+		skb->mark = md->gbp;
 out:
 	unparsed->vx_flags &= ~VXLAN_GBP_USED_BITS;
 }
@@ -1228,9 +1232,6 @@ static void vxlan_rcv(struct vxlan_dev *vxlan, struct vxlan_sock *vs,
 		goto drop;
 
 	skb_reset_network_header(skb);
-	/* In flow-based mode, GBP is carried in dst_metadata */
-	if (!(vs->flags & VXLAN_F_COLLECT_METADATA))
-		skb->mark = md->gbp;
 
 	if (oip6)
 		err = IP6_ECN_decapsulate(oip6, skb);
@@ -1329,7 +1330,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 		if (!vxlan_remcsum(&unparsed, skb, vs->flags))
 			goto drop;
 	if (vs->flags & VXLAN_F_GBP)
-		vxlan_parse_gbp_hdr(&unparsed, md, tun_dst);
+		vxlan_parse_gbp_hdr(&unparsed, skb, vs->flags, md, tun_dst);
 
 	if (unparsed.vx_flags || unparsed.vx_vni) {
 		/* If there are any unprocessed flags remaining treat