netdev - Re: [Intel-wired-lan] [PATCH iwl-next v7 03/12] virtchnl: add enumeration for the rxdid format

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Message-ID: <20240608125747.GV27689@kernel.org>
Date: Sat, 8 Jun 2024 13:57:47 +0100
From: Simon Horman <horms@...nel.org>
To: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	Jacob Keller <jacob.e.keller@...el.com>,
	Wojciech Drewek <wojciech.drewek@...el.com>,
	Rahul Rameshbabu <rrameshbabu@...dia.com>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next v7 03/12] virtchnl: add
 enumeration for the rxdid format

On Tue, Jun 04, 2024 at 09:13:51AM -0400, Mateusz Polchlopek wrote:
> From: Jacob Keller <jacob.e.keller@...el.com>
> 
> Support for allowing VF to negotiate the descriptor format requires that
> the VF specify which descriptor format to use when requesting Rx queues.
> The VF is supposed to request the set of supported formats via the new
> VIRTCHNL_OP_GET_SUPPORTED_RXDIDS, and then set one of the supported
> formats in the rxdid field of the virtchnl_rxq_info structure.
> 
> The virtchnl.h header does not provide an enumeration of the format
> values. The existing implementations in the PF directly use the values
> from the DDP package.
> 
> Make the formats explicit by defining an enumeration of the RXDIDs.
> Provide an enumeration for the values as well as the bit positions as
> returned by the supported_rxdids data from the
> VIRTCHNL_OP_GET_SUPPORTED_RXDIDS.
> 
> Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
> Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
> Reviewed-by: Rahul Rameshbabu <rrameshbabu@...dia.com>
> Signed-off-by: Mateusz Polchlopek <mateusz.polchlopek@...el.com>

Reviewed-by: Simon Horman <horms@...nel.org>