On Wed, Feb 24, 2021 at 12:37 AM Hangbin Liu <liuhang...@gmail.com> wrote:
>
> In bpf geneve tunnel test we set geneve option on tx side. On rx side we
> only call bpf_skb_get_tunnel_opt(). Since commit 9c2e14b48119 ("ip_tunnels:
> Set tunnel option flag when tunnel metadata is present") geneve_rx() will
> not add TUNNEL_GENEVE_OPT flag if there is no geneve option, which cause
> bpf_skb_get_tunnel_opt() return ENOENT and _geneve_get_tunnel() in
> test_tunnel_kern.c drop the packet.
>
> As it should be valid that bpf_skb_get_tunnel_opt() return error when
> there is not tunnel option, there is no need to drop the packet and
> break all geneve rx traffic. Just set opt_class to 0 in this test and
> keep returning TC_ACT_OK.
>
> Signed-off-by: Hangbin Liu <liuhang...@gmail.com>
> ---LGTM. Acked-by: William Tu <u9012...@gmail.com>
