From: wenxu <we...@ucloud.cn>

ip l add dev tun type gretap external
ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 dev gretap

For gretap Key example when the command set the id but don't set the
TUNNEL_KEY flags. There is no key field in the send packet

In the lwtunnel situation, some TUNNEL_FLAGS should can be set by
userspace

Signed-off-by: wenxu <we...@ucloud.cn>
---
 include/net/ip_tunnels.h       | 4 ----
 include/uapi/linux/if_tunnel.h | 6 ++++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index b0d022f..897db0a 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -144,15 +144,11 @@ struct ip_tunnel {
        bool                    ignore_df;
 };
 
-#define TUNNEL_CSUM            __cpu_to_be16(0x01)
 #define TUNNEL_ROUTING         __cpu_to_be16(0x02)
-#define TUNNEL_KEY             __cpu_to_be16(0x04)
-#define TUNNEL_SEQ             __cpu_to_be16(0x08)
 #define TUNNEL_STRICT          __cpu_to_be16(0x10)
 #define TUNNEL_REC             __cpu_to_be16(0x20)
 #define TUNNEL_VERSION         __cpu_to_be16(0x40)
 #define TUNNEL_NO_KEY          __cpu_to_be16(0x80)
-#define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
 #define TUNNEL_OAM             __cpu_to_be16(0x0200)
 #define TUNNEL_CRIT_OPT                __cpu_to_be16(0x0400)
 #define TUNNEL_GENEVE_OPT      __cpu_to_be16(0x0800)
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
index 1b3d148..06c0f14 100644
--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -160,4 +160,10 @@ enum {
 };
 
 #define IFLA_VTI_MAX   (__IFLA_VTI_MAX - 1)
+
+#define TUNNEL_CSUM            __cpu_to_be16(0x01)
+#define TUNNEL_KEY             __cpu_to_be16(0x04)
+#define TUNNEL_SEQ             __cpu_to_be16(0x08)
+#define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
+
 #endif /* _UAPI_IF_TUNNEL_H_ */
-- 
1.8.3.1

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