netdev - Re: [PATCH net-next v3 3/3] openvswitch: New MPLS actions for layer 2 tunnelling

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Date:   Mon, 16 Dec 2019 16:13:55 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Martin Varghese <martinvarghesenokia@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, pshelar@....org,
        scott.drennan@...ia.com, jbenc@...hat.com,
        martin.varghese@...ia.com
Subject: Re: [PATCH net-next v3 3/3] openvswitch: New MPLS actions for layer
 2 tunnelling

On Mon, 16 Dec 2019 19:33:43 +0530, Martin Varghese wrote:
> diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
> index a87b44c..b7221ad 100644
> --- a/include/uapi/linux/openvswitch.h
> +++ b/include/uapi/linux/openvswitch.h
> @@ -673,6 +673,25 @@ struct ovs_action_push_mpls {
>  };
>  
>  /**
> + * struct ovs_action_ptap_push_mpls - %OVS_ACTION_ATTR_PTAP_PUSH_MPLS action
> + * argument.
> + * @mpls_lse: MPLS label stack entry to push.
> + * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame.
> + * @l2_tun: Flag to specify the place of insertion of MPLS header.
> + * When true, the MPLS header will be inserted at the start of the packet.
> + * When false, the MPLS header will be inserted at the start of the l3 header.
> + *
> + * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and
> + * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected.
> + */
> +struct ovs_action_ptap_push_mpls {
> +	__be32 mpls_lse;
> +	__be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */
> +	bool l2_tun;

In file included from <command-line>:32:                                        
./usr/include/linux/openvswitch.h:674:2: error: unknown type name ‘bool’        
  674 |  bool l2_tun;                                                           
      |  ^~~~                                                                   
make[3]: *** [usr/include/linux/openvswitch.hdrtest] Error 1  

> +};
> +
> +

Why the double new line? Please use checkpatch --strict.