On Tue, 18 Dec 2018 17:53:33 +0800
we...@ucloud.cn wrote:
> 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 example when the command set the id but don't set the
> TUNNEL_KEY flags. There is no key field in the send packet
>
> Signed-off-by: wenxu <we...@ucloud.cn>
> ---
> include/uapi/linux/if_tunnel.h | 6 ++++++
> ip/iproute_lwtunnel.c | 11 ++++++++++-
> 2 files changed, 16 insertions(+), 1 deletions(-)
>
> diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
> index ecdc766..40b8009 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 /* _IF_TUNNEL_H_ */
This is not upstream in net-next yet. Header files come from kernel
