Make OVS_TUNNEL_ATTR_DST_IPV4 optional to allow configuration of null_ports.

[cascardo/ovs.git] / include / openvswitch / tunnel.h

diff --git a/include/openvswitch/tunnel.h b/include/openvswitch/tunnel.h
index 42c3621..479f524 100644 (file)
--- a/include/openvswitch/tunnel.h
+++ b/include/openvswitch/tunnel.h
@@ -45,14 +45,15 @@
 
 /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
  *
- * OVS_TUNNEL_ATTR_FLAGS and OVS_TUNNEL_ATTR_DST_IPV4 are required.  All other
+ * OVS_TUNNEL_ATTR_DST_IPV4 is required for kernel tunnel ports, all other
  * attributes are optional.
+ * For flow-based tunnels, none of the options apply.
  */
 enum {
        OVS_TUNNEL_ATTR_UNSPEC,
        OVS_TUNNEL_ATTR_FLAGS,    /* 32-bit TNL_F_*. */
-       OVS_TUNNEL_ATTR_DST_IPV4, /* IPv4 destination address. */
-       OVS_TUNNEL_ATTR_SRC_IPV4, /* IPv4 source address. */
+       OVS_TUNNEL_ATTR_DST_IPV4, /* Remote IPv4 address. */
+       OVS_TUNNEL_ATTR_SRC_IPV4, /* Local IPv4 address. */
        OVS_TUNNEL_ATTR_OUT_KEY,  /* __be64 key to use on output. */
        OVS_TUNNEL_ATTR_IN_KEY,   /* __be64 key to match on input. */
        OVS_TUNNEL_ATTR_TOS,      /* 8-bit TOS value. */