netdev - Re: [PATCH 2/6] vxlan: Group Policy extension

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Date:	Mon, 12 Jan 2015 10:14:57 -0800
From:	Tom Herbert <therbert@...gle.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	David Miller <davem@...emloft.net>, Jesse Gross <jesse@...ira.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Pravin B Shelar <pshelar@...ira.com>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH 2/6] vxlan: Group Policy extension

> diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
> index f7d0d2d..9f07bf5 100644
> --- a/include/uapi/linux/if_link.h
> +++ b/include/uapi/linux/if_link.h
> @@ -370,10 +370,18 @@ enum {
>         IFLA_VXLAN_UDP_CSUM,
>         IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
>         IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
> +       IFLA_VXLAN_EXTENSION,
>         __IFLA_VXLAN_MAX
>  };
>  #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
>
> +enum {
> +       IFLA_VXLAN_EXT_UNSPEC,
> +       IFLA_VXLAN_EXT_GBP,
> +       __IFLA_VXLAN_EXT_MAX,
> +};
> +#define IFLA_VXLAN_EXT_MAX (__IFLA_VXLAN_EXT_MAX - 1)
> +

Creating a level of indirection for extensions seems overly
complicated to me. Why not just define IFLA_VXLAN_GBP as just another
enum above?

Tom
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