netdev - Re: [net-next PATCH v5 3/4] net: dsa: Add Airoha AN8855 5-Port Gigabit DSA Switch driver

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Message-ID: <20241114192202.215869ed@kernel.org>
Date: Thu, 14 Nov 2024 19:22:02 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>,
 Vladimir Oltean <olteanv@...il.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
 <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Heiner Kallweit
 <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, Matthias
 Brugger <matthias.bgg@...il.com>, AngeloGioacchino Del Regno
 <angelogioacchino.delregno@...labora.com>,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, upstream@...oha.com
Subject: Re: [net-next PATCH v5 3/4] net: dsa: Add Airoha AN8855 5-Port
 Gigabit DSA Switch driver

On Tue, 12 Nov 2024 21:47:26 +0100 Christian Marangi wrote:
> +	MIB_DESC(1, 0x00, "TxDrop"),
> +	MIB_DESC(1, 0x04, "TxCrcErr"),

What is a CRC Tx error :o 
Just out of curiosity, not saying its worng.

> +	MIB_DESC(1, 0x08, "TxUnicast"),
> +	MIB_DESC(1, 0x0c, "TxMulticast"),
> +	MIB_DESC(1, 0x10, "TxBroadcast"),
> +	MIB_DESC(1, 0x14, "TxCollision"),

Why can't these be rtnl stats, please keep in mind that we ask that
people don't duplicate in ethtool -S what can be exposed via standard
stats

> +	MIB_DESC(1, 0x18, "TxSingleCollision"),
> +	MIB_DESC(1, 0x1c, "TxMultipleCollision"),
> +	MIB_DESC(1, 0x20, "TxDeferred"),
> +	MIB_DESC(1, 0x24, "TxLateCollision"),
> +	MIB_DESC(1, 0x28, "TxExcessiveCollistion"),
> +	MIB_DESC(1, 0x2c, "TxPause"),
> +	MIB_DESC(1, 0x30, "TxPktSz64"),
> +	MIB_DESC(1, 0x34, "TxPktSz65To127"),
> +	MIB_DESC(1, 0x38, "TxPktSz128To255"),
> +	MIB_DESC(1, 0x3c, "TxPktSz256To511"),
> +	MIB_DESC(1, 0x40, "TxPktSz512To1023"),
> +	MIB_DESC(1, 0x44, "TxPktSz1024To1518"),
> +	MIB_DESC(1, 0x48, "TxPktSz1519ToMax"),

we have standard stats for rmon, too

> +	MIB_DESC(2, 0x4c, "TxBytes"),
> +	MIB_DESC(1, 0x54, "TxOversizeDrop"),
> +	MIB_DESC(2, 0x58, "TxBadPktBytes"),
> +	MIB_DESC(1, 0x80, "RxDrop"),
> +	MIB_DESC(1, 0x84, "RxFiltering"),
> +	MIB_DESC(1, 0x88, "RxUnicast"),
> +	MIB_DESC(1, 0x8c, "RxMulticast"),
> +	MIB_DESC(1, 0x90, "RxBroadcast"),
> +	MIB_DESC(1, 0x94, "RxAlignErr"),
> +	MIB_DESC(1, 0x98, "RxCrcErr"),
> +	MIB_DESC(1, 0x9c, "RxUnderSizeErr"),
> +	MIB_DESC(1, 0xa0, "RxFragErr"),
> +	MIB_DESC(1, 0xa4, "RxOverSzErr"),
> +	MIB_DESC(1, 0xa8, "RxJabberErr"),
> +	MIB_DESC(1, 0xac, "RxPause"),
> +	MIB_DESC(1, 0xb0, "RxPktSz64"),
> +	MIB_DESC(1, 0xb4, "RxPktSz65To127"),
> +	MIB_DESC(1, 0xb8, "RxPktSz128To255"),
> +	MIB_DESC(1, 0xbc, "RxPktSz256To511"),
> +	MIB_DESC(1, 0xc0, "RxPktSz512To1023"),
> +	MIB_DESC(1, 0xc4, "RxPktSz1024To1518"),
> +	MIB_DESC(1, 0xc8, "RxPktSz1519ToMax"),
> +	MIB_DESC(2, 0xcc, "RxBytes"),
> +	MIB_DESC(1, 0xd4, "RxCtrlDrop"),
> +	MIB_DESC(1, 0xd8, "RxIngressDrop"),
> +	MIB_DESC(1, 0xdc, "RxArlDrop"),
> +	MIB_DESC(1, 0xe0, "FlowControlDrop"),
> +	MIB_DESC(1, 0xe4, "WredDrop"),
> +	MIB_DESC(1, 0xe8, "MirrorDrop"),
> +	MIB_DESC(2, 0xec, "RxBadPktBytes"),
> +	MIB_DESC(1, 0xf4, "RxsFlowSamplingPktDrop"),
> +	MIB_DESC(1, 0xf8, "RxsFlowTotalPktDrop"),
> +	MIB_DESC(1, 0xfc, "PortControlDrop"),
-- 
pw-bot: cr