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authorJiri Benc <jbenc@redhat.com>2016-02-16 21:59:00 +0100
committerDavid S. Miller <davem@davemloft.net>2016-02-17 23:52:12 -0500
commit3288af0892e322b019a4c98810959b2a1c6dae7b (patch)
tree4b23b7b8f09579fc05ab7cd1ab0fa3d68b2cf3c0 /drivers/net/vxlan.c
parentbe5cfeab8f95995d5590ab919b9f4dde19d50ea7 (diff)
vxlan: move GBP header parsing to a separate function
To make vxlan_udp_encap_recv shorter and more comprehensible. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan.c')
-rw-r--r--drivers/net/vxlan.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 161e39ce3914..f65a923c2999 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1156,6 +1156,24 @@ static bool vxlan_remcsum(struct sk_buff *skb, u32 vxflags, __be32 vni_field)
return true;
}
+static void vxlan_parse_gbp_hdr(struct sk_buff *skb, struct vxlan_metadata *md,
+ struct metadata_dst *tun_dst)
+{
+ struct vxlanhdr_gbp *gbp;
+
+ gbp = (struct vxlanhdr_gbp *)vxlan_hdr(skb);
+ md->gbp = ntohs(gbp->policy_id);
+
+ if (tun_dst)
+ tun_dst->u.tun_info.key.tun_flags |= TUNNEL_VXLAN_OPT;
+
+ if (gbp->dont_learn)
+ md->gbp |= VXLAN_GBP_DONT_LEARN;
+
+ if (gbp->policy_applied)
+ md->gbp |= VXLAN_GBP_POLICY_APPLIED;
+}
+
static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
struct vxlan_metadata *md, __be32 vni,
struct metadata_dst *tun_dst)
@@ -1304,20 +1322,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
* used by VXLAN extensions if explicitly requested.
*/
if ((flags & VXLAN_HF_GBP) && (vs->flags & VXLAN_F_GBP)) {
- struct vxlanhdr_gbp *gbp;
-
- gbp = (struct vxlanhdr_gbp *)vxlan_hdr(skb);
- md->gbp = ntohs(gbp->policy_id);
-
- if (tun_dst)
- tun_dst->u.tun_info.key.tun_flags |= TUNNEL_VXLAN_OPT;
-
- if (gbp->dont_learn)
- md->gbp |= VXLAN_GBP_DONT_LEARN;
-
- if (gbp->policy_applied)
- md->gbp |= VXLAN_GBP_POLICY_APPLIED;
-
+ vxlan_parse_gbp_hdr(skb, md, tun_dst);
flags &= ~VXLAN_GBP_USED_BITS;
}