gre: Add kernel GRE support.

[openvswitch] / include / openvswitch / datapath-protocol.h

diff --git a/include/openvswitch/datapath-protocol.h b/include/openvswitch/datapath-protocol.h
index 868c85421d72dca7181417df82822313cecb79e1..ab7eb9e39b3cb60f2857300292307632cee95bc3 100644 (file)
--- a/include/openvswitch/datapath-protocol.h
+++ b/include/openvswitch/datapath-protocol.h
@@ -160,15 +160,20 @@ struct odp_flow_key {
     __be16 tp_dst;               /* TCP/UDP destination port. */
     __u8   dl_src[ETH_ALEN];     /* Ethernet source address. */
     __u8   dl_dst[ETH_ALEN];     /* Ethernet destination address. */
-    __u8   nw_proto;             /* IP protocol. */
+    __u8   nw_proto;             /* IP protocol or lower 8 bits of 
+                                    ARP opcode. */
     __u8   reserved;             /* Pad to 64 bits. */
 };
 
+/* Flags for ODP_FLOW. */
+#define ODPFF_ZERO_TCP_FLAGS (1 << 0) /* Zero the TCP flags. */
+
 struct odp_flow {
     struct odp_flow_stats stats;
     struct odp_flow_key key;
     union odp_action *actions;
     __u32 n_actions;
+    __u32 flags;
 };
 
 /* Flags for ODP_FLOW_PUT. */