netdev - Re: [PATCH iwl-next v3 11/13] ice: enable FDIR filters from raw binary patterns for VFs

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Message-ID: <20240722150345.GJ715661@kernel.org>
Date: Mon, 22 Jul 2024 16:03:45 +0100
From: Simon Horman <horms@...nel.org>
To: Ahmed Zaki <ahmed.zaki@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	anthony.l.nguyen@...el.com, Junfeng Guo <junfeng.guo@...el.com>,
	Marcin Szycik <marcin.szycik@...ux.intel.com>
Subject: Re: [PATCH iwl-next v3 11/13] ice: enable FDIR filters from raw
 binary patterns for VFs

On Wed, Jul 10, 2024 at 02:40:13PM -0600, Ahmed Zaki wrote:
> From: Junfeng Guo <junfeng.guo@...el.com>
> 
> Enable VFs to create FDIR filters from raw binary patterns.
> The corresponding processes for raw flow are added in the
> Parse / Create / Destroy stages.
> 
> Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
> Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
> Co-developed-by: Ahmed Zaki <ahmed.zaki@...el.com>
> Signed-off-by: Ahmed Zaki <ahmed.zaki@...el.com>

...

> diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c

...

> +/**
> + * ice_vc_fdir_is_raw_flow

nit: The short description is missing from the line above

> + * @proto: virtchnl protocol headers
> + *
> + * Check if the FDIR rule is raw flow (protocol agnostic flow) or not.
> + * Note that common FDIR rule must have non-zero proto->count.
> + * Thus, we choose the tunnel_level and count of proto as the indicators.
> + * If both tunnel_level and count of proto are zeros, this FDIR rule will
> + * be regarded as raw flow.
> + *
> + * Returns: true if headers describe raw flow, false otherwise.
> + */
> +static bool
> +ice_vc_fdir_is_raw_flow(struct virtchnl_proto_hdrs *proto)
> +{
> +	return (proto->tunnel_level == 0 && proto->count == 0);
> +}
> +
> +/**
> + * ice_vc_fdir_parse_raw

Likewise here.

> + * @vf: pointer to the VF info
> + * @proto: virtchnl protocol headers
> + * @conf: FDIR configuration for each filter
> + *
> + * Parse the virtual channel filter's raw flow and store it in @conf
> + *
> + * Return: 0 on success or negative errno on failure.
> + */

...