netdev - [PATCH net-next 1/5] vxlan: consolidate GBP handling even more

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Message-Id: <4efe2a3320a88949ce9ee9aaed5edd80459321c4.1456246786.git.jbenc@redhat.com>
Date:	Tue, 23 Feb 2016 18:02:55 +0100
From:	Jiri Benc <jbenc@...hat.com>
To:	netdev@...r.kernel.org
Subject: [PATCH net-next 1/5] 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: Jiri Benc <jbenc@...hat.com>
---
 drivers/net/vxlan.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 909f7931c297..656a303c0ac8 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1164,6 +1164,7 @@ out:
 }
 
 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
-- 
1.8.3.1