Re: [Xen-devel] [PATCH v5 4/5] public/io/netif.h: add extra info slots for passing hash values

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.10.15 at 14:35, <paul.durrant@xxxxxxxxxx> wrote:
> @@ -390,6 +396,18 @@
>   * type: Must be XEN_NETIF_EXTRA_TYPE_MCAST_{ADD,DEL}
>   * flags: XEN_NETIF_EXTRA_FLAG_*
>   * addr: address to add/remove
> + *
> + * XEN_NETIF_EXTRA_TYPE_HASH:
> + *
> + *    0     1     2     3     4     5     6     7  octet
> + * +-----+-----+-----+-----+-----+-----+-----+-----+
> + * |type |flags|htype| pad |LSB ---- value ---- MSB|
> + * +-----+-----+-----+-----+-----+-----+-----+-----+
> + *
> + * type: Must be XEN_NETIF_EXTRA_TYPE_HASH
> + * flags: XEN_NETIF_EXTRA_FLAG_*
> + * htype: XEN_NETIF_HASH_TYPE_*
> + * value: Hash value
>   */

For future extensibility, require the pad field to be zero?

Jan


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