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Message-ID: <OS0PR01MB5922615FBFE033E4AA12112686C89@OS0PR01MB5922.jpnprd01.prod.outlook.com>
Date:   Fri, 27 Aug 2021 06:28:01 +0000
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Sergey Shtylyov <s.shtylyov@....ru>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
        Andrew Lunn <andrew@...n.ch>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Adam Ford <aford173@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>
Subject: RE: [PATCH net-next 08/13] ravb: Factorise ravb_rx function

Hi Sergei,

> Subject: Re: [PATCH net-next 08/13] ravb: Factorise ravb_rx function
> 
> On 8/25/21 10:01 AM, Biju Das wrote:
> 
> > R-Car uses an extended descriptor in RX whereas, RZ/G2L uses normal
> > descriptor in RX. Factorise the ravb_rx function to support the later
> > SoC.
> >
> > Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> [...]
> > diff --git a/drivers/net/ethernet/renesas/ravb_main.c
> > b/drivers/net/ethernet/renesas/ravb_main.c
> > index 148c974499b4..1cace5324261 100644
> > --- a/drivers/net/ethernet/renesas/ravb_main.c
> > +++ b/drivers/net/ethernet/renesas/ravb_main.c
> > @@ -562,8 +562,7 @@ static void ravb_rx_csum(struct sk_buff *skb)
> >  	skb_trim(skb, skb->len - sizeof(__sum16));  }
> >
> > -/* Packet receive function for Ethernet AVB */ -static bool
> > ravb_rx(struct net_device *ndev, int *quota, int q)
> > +static bool ravb_rcar_rx(struct net_device *ndev, int *quota, int q)
> 
>    Mhm, isn't this too large a function to duplicate it all for RZ-G2?

For your reference, it is a large change. See [1].
[1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20210722141351.13668-18-biju.das.jz@bp.renesas.com/

Currently I am working on the name change and next RFC patchset for started adding
Initial support for RZ/G2. I am expecting your valuable suggestion on that granular
RFC Patch for RZ/G2(ravb_rx) function.

Regards,
Biju

> 
> [...]
> 
> MBR, Sergey

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