On Fri, 25 Aug 2017 15:39:10 -0700
Jeff Kirsher <jeffrey.t.kirs...@intel.com> wrote:
> diff --git a/ethtool-copy.h b/ethtool-copy.h
> index 06fc04c..4bb91eb 100644
> --- a/ethtool-copy.h
> +++ b/ethtool-copy.h
> @@ -400,6 +400,7 @@ struct ethtool_modinfo {
> * a TX interrupt, when the packet rate is above @pkt_rate_high.
> * @rate_sample_interval: How often to do adaptive coalescing packet rate
> * sampling, measured in seconds. Must not be zero.
> + * @dmac: How many usecs to store packets before moving to host memory.
> *
> * Each pair of (usecs, max_frames) fields specifies that interrupts
> * should be coalesced until
> @@ -450,6 +451,7 @@ struct ethtool_coalesce {
> __u32 tx_coalesce_usecs_high;
> __u32 tx_max_coalesced_frames_high;
> __u32 rate_sample_interval;
> + __u32 dmac;
> };
>
Because of backwards ABI compatibility, it is not safe to extend
an existing structure.
