X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fflow.h;h=d8277b5b2f5dca42d5ac46edd2d5a8c1bd5aff26;hb=adda018cb84d550d11f45642d0e04dec20cf1625;hp=5d1578363c4f3e5f36fc0d42d0ebb4cbea0505a8;hpb=3b00e887bbc24bd5e88de9b1a92243e31e1e0eed;p=sliver-openvswitch.git

diff --git a/datapath/flow.h b/datapath/flow.h
index 5d1578363..d8277b5b2 100644
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -58,6 +58,22 @@ struct ovs_key_ipv4_tunnel {
 	u8   ipv4_ttl;
 };
 
+static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key,
+					 const struct iphdr *iph, __be64 tun_id,
+					 __be16 tun_flags)
+{
+	tun_key->tun_id = tun_id;
+	tun_key->ipv4_src = iph->saddr;
+	tun_key->ipv4_dst = iph->daddr;
+	tun_key->ipv4_tos = iph->tos;
+	tun_key->ipv4_ttl = iph->ttl;
+	tun_key->tun_flags = tun_flags;
+
+	/* clear struct padding. */
+	memset((unsigned char *) tun_key + OVS_TUNNEL_KEY_SIZE, 0,
+	       sizeof(*tun_key) - OVS_TUNNEL_KEY_SIZE);
+}
+
 struct sw_flow_key {
 	struct ovs_key_ipv4_tunnel tun_key;  /* Encapsulating tunnel key. */
 	struct {