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SubjectRe: [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type
On Wed, Jun 23, 2021 at 07:34:49PM +0800, Rocco Yue wrote:
> This patch add the definition of ARPHRD_PUREIP which can for
> example be used by mobile ccmni device as device type.
> ARPHRD_PUREIP means that this device doesn't need kernel to
> generate ipv6 link-local address in any addr_gen_mode.
>
> Signed-off-by: Rocco Yue <rocco.yue@mediatek.com>
> ---
> include/uapi/linux/if_arp.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/linux/if_arp.h b/include/uapi/linux/if_arp.h
> index c3cc5a9e5eaf..4463c9e9e8b4 100644
> --- a/include/uapi/linux/if_arp.h
> +++ b/include/uapi/linux/if_arp.h
> @@ -61,6 +61,7 @@
> #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */
> #define ARPHRD_RAWHDLC 518 /* Raw HDLC */
> #define ARPHRD_RAWIP 519 /* Raw IP */
> +#define ARPHRD_PUREIP 520 /* Pure IP */

In looking at the patches, what differs "PUREIP" from "RAWIP"? It seems
to be the same to me. If they are different, where is that documented?

thanks,

greg k-h

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