linux-kernel - Re: [PATCH net-next v6 3/6] net: bcmasp: Add support for ASP2.0 Ethernet controller

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Date:   Tue, 6 Jun 2023 19:33:13 -0700
From:   Justin Chen <justin.chen@...adcom.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        bcm-kernel-feedback-list@...adcom.com,
        florian.fainelli@...adcom.com, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        opendmb@...il.com, andrew@...n.ch, hkallweit1@...il.com,
        linux@...linux.org.uk, richardcochran@...il.com,
        sumit.semwal@...aro.org, christian.koenig@....com,
        simon.horman@...igine.com
Subject: Re: [PATCH net-next v6 3/6] net: bcmasp: Add support for ASP2.0
 Ethernet controller



On 6/6/2023 6:54 PM, Jakub Kicinski wrote:
> On Tue, 6 Jun 2023 18:35:51 -0700 Justin Chen wrote:
>>> Also - can you describe how you can have multiple netdevs for
>>> the same MAC?
>>
>> Not netdevs per se, but packets can be redirected to an offload
>> co-processor.
> 
> How is the redirecting configured?
> 

Through filters that can be programmed by the Host cpu or co-processor.

> Could you split this patch into basic netdev datapath,
> and then as separate patches support for ethtool configuration features,
> each with its own patch? This will make it easier for area experts to
> review.
> 
> The base patch can probably include these:
> 
> +	.get_drvinfo		= bcmasp_get_drvinfo,
> +	.get_link		= ethtool_op_get_link,
> +	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
> +	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
> +	.get_msglevel		= bcmasp_get_msglevel,
> +	.set_msglevel		= bcmasp_set_msglevel,
> 
> WoL can be a separate patch:
> 
> +	.get_wol		= bcmasp_get_wol,
> +	.set_wol		= bcmasp_set_wol,
> 
> Stats a separate patch:
> 
> +	.get_strings		= bcmasp_get_strings,
> +	.get_ethtool_stats	= bcmasp_get_ethtool_stats,
> +	.get_sset_count		= bcmasp_get_sset_count,
> +	.nway_reset		= phy_ethtool_nway_reset,
> 
> Flow steering separate:
> 
> +	.get_rxnfc		= bcmasp_get_rxnfc,
> +	.set_rxnfc		= bcmasp_set_rxnfc,
> 
> EEE separate:
> 
> +	.set_eee		= bcmasp_set_eee,
> +	.get_eee		= bcmasp_get_eee,

Will do.

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