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