linux-kernel - RE: [PATCH v3 net 2/8] net: enetc: keep track of correct Tx BD count in enetc_map_tx_tso

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Message-ID:
 <AS8PR04MB88498F1FED4B4BD367D4B9E996C02@AS8PR04MB8849.eurprd04.prod.outlook.com>
Date: Mon, 24 Feb 2025 17:27:13 +0000
From: Claudiu Manoil <claudiu.manoil@....com>
To: Wei Fang <wei.fang@....com>, Vladimir Oltean <vladimir.oltean@....com>,
	Clark Wang <xiaoning.wang@....com>, "andrew+netdev@...n.ch"
	<andrew+netdev@...n.ch>, "davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "kuba@...nel.org"
	<kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>
CC: Ioana Ciornei <ioana.ciornei@....com>, "Y.B. Lu" <yangbo.lu@....com>,
	"michal.swiatkowski@...ux.intel.com" <michal.swiatkowski@...ux.intel.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>, "stable@...r.kernel.org"
	<stable@...r.kernel.org>
Subject: RE: [PATCH v3 net 2/8] net: enetc: keep track of correct Tx BD count
 in enetc_map_tx_tso_buffs()

> -----Original Message-----
> From: Wei Fang <wei.fang@....com>
> Sent: Monday, February 24, 2025 1:13 PM
[...]
> Subject: [PATCH v3 net 2/8] net: enetc: keep track of correct Tx BD count in
> enetc_map_tx_tso_buffs()
> 
> When creating a TSO header, if the skb is VLAN tagged, the extended BD
> will be used and the 'count' should be increased by 2 instead of 1.
> Otherwise, when an error occurs, less tx_swbd will be freed than the
> actual number.
> 
> Fixes: fb8629e2cbfc ("net: enetc: add support for software TSO")
> Cc: stable@...r.kernel.org
> Suggested-by: Vladimir Oltean <vladimir.oltean@....com>
> Signed-off-by: Wei Fang <wei.fang@....com>
> ---

Reviewed-by: Claudiu Manoil <claudiu.manoil@....com>