netdev - Re: [PATCH net 2/8] net: mscc: ocelot: fix incorrect ndo_get

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Date:   Tue, 16 Aug 2022 23:26:00 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        UNGLinuxDriver@...rochip.com,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxim Kochetkov <fido_max@...ox.ru>
Subject: Re: [PATCH net 2/8] net: mscc: ocelot: fix incorrect ndo_get_stats64
 packet counters

> --- a/drivers/net/ethernet/mscc/vsc7514_regs.c
> +++ b/drivers/net/ethernet/mscc/vsc7514_regs.c
> @@ -180,13 +180,14 @@ const u32 vsc7514_sys_regmap[] = {
>  	REG(SYS_COUNT_RX_64,				0x000024),
>  	REG(SYS_COUNT_RX_65_127,			0x000028),
>  	REG(SYS_COUNT_RX_128_255,			0x00002c),
> -	REG(SYS_COUNT_RX_256_1023,			0x000030),
> -	REG(SYS_COUNT_RX_1024_1526,			0x000034),
> -	REG(SYS_COUNT_RX_1527_MAX,			0x000038),
> -	REG(SYS_COUNT_RX_PAUSE,				0x00003c),
> -	REG(SYS_COUNT_RX_CONTROL,			0x000040),
> -	REG(SYS_COUNT_RX_LONGS,				0x000044),
> -	REG(SYS_COUNT_RX_CLASSIFIED_DROPS,		0x000048),
> +	REG(SYS_COUNT_RX_256_511,			0x000030),
> +	REG(SYS_COUNT_RX_512_1023,			0x000034),
> +	REG(SYS_COUNT_RX_1024_1526,			0x000038),
> +	REG(SYS_COUNT_RX_1527_MAX,			0x00003c),
> +	REG(SYS_COUNT_RX_PAUSE,				0x000040),
> +	REG(SYS_COUNT_RX_CONTROL,			0x000044),
> +	REG(SYS_COUNT_RX_LONGS,				0x000048),
> +	REG(SYS_COUNT_RX_CLASSIFIED_DROPS,		0x00004c),

Hi Vladimir,

Good catch! From a 7512/7514 point, these all look good. There's a
couple conflicts I'll have to deal with to test the whole series.

>  	REG(SYS_COUNT_TX_OCTETS,			0x000100),
>  	REG(SYS_COUNT_TX_UNICAST,			0x000104),
>  	REG(SYS_COUNT_TX_MULTICAST,			0x000108),
> @@ -196,10 +197,11 @@ const u32 vsc7514_sys_regmap[] = {
>  	REG(SYS_COUNT_TX_PAUSE,				0x000118),
>  	REG(SYS_COUNT_TX_64,				0x00011c),
>  	REG(SYS_COUNT_TX_65_127,			0x000120),
> -	REG(SYS_COUNT_TX_128_511,			0x000124),
> -	REG(SYS_COUNT_TX_512_1023,			0x000128),
> -	REG(SYS_COUNT_TX_1024_1526,			0x00012c),
> -	REG(SYS_COUNT_TX_1527_MAX,			0x000130),
> +	REG(SYS_COUNT_TX_128_255,			0x000124),
> +	REG(SYS_COUNT_TX_256_511,			0x000128),
> +	REG(SYS_COUNT_TX_512_1023,			0x00012c),
> +	REG(SYS_COUNT_TX_1024_1526,			0x000130),
> +	REG(SYS_COUNT_TX_1527_MAX,			0x000134),
>  	REG(SYS_COUNT_TX_AGING,				0x000170),
>  	REG(SYS_RESET_CFG,				0x000508),
>  	REG(SYS_CMID,					0x00050c),
> diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
> index ac151ecc7f19..e7e5b06deb2d 100644
> --- a/include/soc/mscc/ocelot.h
> +++ b/include/soc/mscc/ocelot.h
> @@ -335,7 +335,8 @@ enum ocelot_reg {
>  	SYS_COUNT_RX_64,
>  	SYS_COUNT_RX_65_127,
>  	SYS_COUNT_RX_128_255,
> -	SYS_COUNT_RX_256_1023,
> +	SYS_COUNT_RX_256_511,
> +	SYS_COUNT_RX_512_1023,
>  	SYS_COUNT_RX_1024_1526,
>  	SYS_COUNT_RX_1527_MAX,
>  	SYS_COUNT_RX_PAUSE,
> @@ -351,7 +352,8 @@ enum ocelot_reg {
>  	SYS_COUNT_TX_PAUSE,
>  	SYS_COUNT_TX_64,
>  	SYS_COUNT_TX_65_127,
> -	SYS_COUNT_TX_128_511,
> +	SYS_COUNT_TX_128_255,
> +	SYS_COUNT_TX_256_511,
>  	SYS_COUNT_TX_512_1023,
>  	SYS_COUNT_TX_1024_1526,
>  	SYS_COUNT_TX_1527_MAX,
> -- 
> 2.34.1
>