Re: [PATCH net-next v6 2/4] ethtool: provide customized dim profile management

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On Thu, 11 Apr 2024 22:12:29 +0800 Heng Qi wrote:
> +#include <linux/dim.h>
>  #include <net/net_trackers.h>
>  #include <net/net_debug.h>
>  #include <net/dropreason-core.h>
> @@ -1649,6 +1650,9 @@ struct net_device_ops {
>   * @IFF_SEE_ALL_HWTSTAMP_REQUESTS: device wants to see calls to
>   *	ndo_hwtstamp_set() for all timestamp requests regardless of source,
>   *	even if those aren't HWTSTAMP_SOURCE_NETDEV.
> + * @IFF_PROFILE_USEC: device supports adjusting the DIM profile's usec field
> + * @IFF_PROFILE_PKTS: device supports adjusting the DIM profile's pkts field
> + * @IFF_PROFILE_COMPS: device supports adjusting the DIM profile's comps field
>   */
>  enum netdev_priv_flags {
>  	IFF_802_1Q_VLAN			= 1<<0,
> @@ -1685,6 +1689,9 @@ enum netdev_priv_flags {
>  	IFF_TX_SKB_NO_LINEAR		= BIT_ULL(31),
>  	IFF_CHANGE_PROTO_DOWN		= BIT_ULL(32),
>  	IFF_SEE_ALL_HWTSTAMP_REQUESTS	= BIT_ULL(33),
> +	IFF_PROFILE_USEC		= BIT_ULL(34),
> +	IFF_PROFILE_PKTS		= BIT_ULL(35),
> +	IFF_PROFILE_COMPS		= BIT_ULL(36),
>  };
>  
>  #define IFF_802_1Q_VLAN			IFF_802_1Q_VLAN
> @@ -2400,6 +2407,14 @@ struct net_device {
>  	/** @page_pools: page pools created for this netdevice */
>  	struct hlist_head	page_pools;
>  #endif
> +
> +#if IS_ENABLED(CONFIG_DIMLIB)
> +	/* DIM profile lists for different dim cq modes */
> +	struct dim_cq_moder *rx_eqe_profile;
> +	struct dim_cq_moder *rx_cqe_profile;
> +	struct dim_cq_moder *tx_eqe_profile;
> +	struct dim_cq_moder *tx_cqe_profile;
> +#endif

just one pointer to a new wrapper struct, put the pointers and a flag
field in there.

netdevice.h is included by thousands of files, please use a forward
declaration for the type and avoid including dim.h




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