On 11/20/2018 6:51 PM, Pablo Neira Ayuso wrote:
> This patch adds a function to translate the ethtool_rx_flow_spec
> structure to the flow_rule representation.
>
> This allows us to reuse code from the driver side given that both flower
> and ethtool_rx_flow interfaces use the same representation.
>
> Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
> ---
> v3: Suggested by Jiri Pirko:
> - Add struct ethtool_rx_flow_rule, keep placeholder to private
> dissector information.
> Reported by Manish Chopra:
> - Fix incorrect dissector user_keys flags.
>
> include/linux/ethtool.h | 10 +++
> net/core/ethtool.c | 189
> ++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 199 insertions(+)
>
> diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
> index afd9596ce636..99849e0858b2 100644
> --- a/include/linux/ethtool.h
> +++ b/include/linux/ethtool.h
> @@ -400,4 +400,14 @@ struct ethtool_ops {
> void (*get_ethtool_phy_stats)(struct net_device *,
> struct ethtool_stats *, u64 *);
> };
> +
> +struct ethtool_rx_flow_rule {
> + struct flow_rule *rule;
> + unsigned long priv[0];
This forces you to cast to/from that member, any reason this is just not
a void *priv here?
--
Florian
