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12 * Licensed under the Apache License, Version 2.0 (the "License");
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40 #ifndef OPENVSWITCH_TUNNEL_H
41 #define OPENVSWITCH_TUNNEL_H 1
43 #include <linux/types.h>
44 #include "openvswitch/datapath-protocol.h"
46 #define TNL_F_CSUM (1 << 1) /* Checksum packets. */
47 #define TNL_F_IN_KEY_MATCH (1 << 2) /* Store the key in tun_id to match in flow table. */
48 #define TNL_F_OUT_KEY_ACTION (1 << 3) /* Get the key from a SET_TUNNEL action. */
49 #define TNL_F_TOS_INHERIT (1 << 4) /* Inherit the ToS from the inner packet. */
50 #define TNL_F_TTL_INHERIT (1 << 5) /* Inherit the TTL from the inner packet. */
51 #define TNL_F_PMTUD (1 << 6) /* Enable path MTU discovery. */
52 #define TNL_F_HDR_CACHE (1 << 7) /* Enable tunnel header caching. */
53 #define TNL_F_IPSEC (1 << 8) /* Traffic is IPsec encrypted. */
55 /* This goes in the "config" member of struct odp_port for tunnel vports. */
56 struct tnl_port_config {
57 __aligned_be64 in_key;
58 __aligned_be64 out_key;
66 #endif /* openvswitch/tunnel.h */