datapath: Clear struct ovs_key_ipv4_tunnel padding.

[cascardo/ovs.git] / datapath / flow.h

diff --git a/datapath/flow.h b/datapath/flow.h
index 4bc185b..924d99a 100644 (file)
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -45,6 +45,11 @@ struct sw_flow_actions {
 #define OVS_TNL_F_CSUM                 (1 << 1)
 #define OVS_TNL_F_KEY                  (1 << 2)
 
+/* Used to memset ovs_key_ipv4_tunnel padding. */
+#define OVS_TUNNEL_KEY_SIZE                                    \
+        (offsetof(struct ovs_key_ipv4_tunnel, ipv4_ttl) +      \
+         FIELD_SIZEOF(struct ovs_key_ipv4_tunnel, ipv4_ttl))
+
 struct ovs_key_ipv4_tunnel {
        __be64 tun_id;
        __be32 ipv4_src;