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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@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc 2016-02-23 18:02:55 +01:00 committed by David S. Miller
parent 39661e2c15
commit 64f87d3616
1 changed files with 5 additions and 4 deletions
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9
drivers/net/vxlan.c
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@ -1164,6 +1164,7 @@ out:
} }
static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed, static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed,
struct sk_buff *skb, u32 vxflags,
struct vxlan_metadata *md, struct vxlan_metadata *md,
struct metadata_dst *tun_dst) struct metadata_dst *tun_dst)
{ {
@ -1183,6 +1184,9 @@ static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed,
if (gbp->policy_applied) if (gbp->policy_applied)
md->gbp |= VXLAN_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: out:
unparsed->vx_flags &= ~VXLAN_GBP_USED_BITS; 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; goto drop;
skb_reset_network_header(skb); 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) if (oip6)
err = IP6_ECN_decapsulate(oip6, skb); 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)) if (!vxlan_remcsum(&unparsed, skb, vs->flags))
goto drop; goto drop;
if (vs->flags & VXLAN_F_GBP) 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 (unparsed.vx_flags || unparsed.vx_vni) {
/* If there are any unprocessed flags remaining treat /* If there are any unprocessed flags remaining treat