ACK: [PATCH][Bionic/Focal/Hirsute/Impish linux] net: handle ARPHRD_IP6GRE in dev_is_mac_header_xmit()

[Thadeu Lima de Souza Cascardo]

On Tue, Oct 19, 2021 at 08:50:21AM -0600, Tim Gardner wrote:
> From: Guillaume Nault <gnault at redhat.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1947164
> 
> Similar to commit 3b707c3008ca ("net: dev_is_mac_header_xmit() true for
> ARPHRD_RAWIP"), add ARPHRD_IP6GRE to dev_is_mac_header_xmit(), to make
> ip6gre compatible with act_mirred and __bpf_redirect().
> 
> Signed-off-by: Guillaume Nault <gnault at redhat.com>
> Signed-off-by: David S. Miller <davem at davemloft.net>
> (cherry picked from commit a3fa449ffcf5bcf9c3dddf62c11599cdc79ef54a)
> Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
> ---
>  include/linux/if_arp.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
> index bf5c5f32c65e..b712217f7030 100644
> --- a/include/linux/if_arp.h
> +++ b/include/linux/if_arp.h
> @@ -48,6 +48,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
>  	case ARPHRD_TUNNEL6:
>  	case ARPHRD_SIT:
>  	case ARPHRD_IPGRE:
> +	case ARPHRD_IP6GRE:
>  	case ARPHRD_VOID:
>  	case ARPHRD_NONE:
>  	case ARPHRD_RAWIP:
> -- 
> 2.33.1

Acked-by: Thadeu Lima de Souza Cascardo <cascardo at canonical.com>