netdev - Re: [net-next PATCH v2 9/9] octeontx2-pf: Add representors for sdp MAC

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Date: Thu, 25 Apr 2024 09:01:26 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Sunil Kovvuri Goutham <sgoutham@...vell.com>
Cc: Geethasowjanya Akula <gakula@...vell.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kuba@...nel.org" <kuba@...nel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"pabeni@...hat.com" <pabeni@...hat.com>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
	Hariprasad Kelam <hkelam@...vell.com>
Subject: Re: [net-next PATCH v2 9/9] octeontx2-pf: Add representors for sdp
 MAC

Thu, Apr 25, 2024 at 08:09:03AM CEST, sgoutham@...vell.com wrote:
>
>
>> -----Original Message-----
>> From: Jiri Pirko <jiri@...nulli.us>
>> Sent: Tuesday, April 23, 2024 6:35 PM
>> To: Geethasowjanya Akula <gakula@...vell.com>
>> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org; kuba@...nel.org;
>> davem@...emloft.net; pabeni@...hat.com; edumazet@...gle.com; Sunil
>> Kovvuri Goutham <sgoutham@...vell.com>; Subbaraya Sundeep Bhatta
>> <sbhatta@...vell.com>; Hariprasad Kelam <hkelam@...vell.com>
>> Subject: [EXTERNAL] Re: [net-next PATCH v2 9/9] octeontx2-pf: Add
>> representors for sdp MAC
>> 
>> Mon, Apr 22, 2024 at 11:54:01AM CEST, gakula@...vell.com wrote:
>> >Current silicons support 2 types of MACs, SDP and
>> 
>> What's SDP? Care to elaborate a bit here?
>> 
>> 
>> >RPM MAC.  This patch adds representors for SDP MAC interfaces.
>> >
>
>Hardware supports different types of MACs eg RPM, SDP, LBK. 
>LBK is for internal Tx->Rx HW loopback path. RPM and SDP
>MACs support ingress/egress pkt IO on interfaces with different
>set of capabilities like interface modes. At the time of netdev driver
>registration PF will seek MAC related information from Admin function driver
>'drivers/net/ethernet/marvell/octeontx2/af' and sets up ingress/egress
>queues etc such that pkt IO on the channels of these different MACs is possible.

Add this to the patch desctiption please.


>
>Thanks,
>Sunil.