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From: Jakub Kicinski <kuba@kernel.org>
To: Parvathi Pudi <parvathi@couthit.com>
Cc: pratheesh <pratheesh@ti.com>,
	Vignesh Raghavendra <vigneshr@ti.com>, praneeth <praneeth@ti.com>,
	edumazet <edumazet@google.com>, glaroque <glaroque@baylibre.com>,
	pmohan <pmohan@couthit.com>, diogo ivo <diogo.ivo@siemens.com>,
	robh <robh@kernel.org>,
	javier carrasco cruz <javier.carrasco.cruz@gmail.com>,
	saikrishnag <saikrishnag@marvell.com>,
	m-karicheri2 <m-karicheri2@ti.com>,
	Bastien Curutchet <bastien.curutchet@bootlin.com>,
	mohan <mohan@couthit.com>,
	jacob e keller <jacob.e.keller@intel.com>,
	pabeni <pabeni@redhat.com>, s hauer <s.hauer@pengutronix.de>,
	devicetree <devicetree@vger.kernel.org>,
	conor+dt <conor+dt@kernel.org>,
	ALOK TIWARI <alok.a.tiwari@oracle.com>,
	richardcochran <richardcochran@gmail.com>,
	johan <johan@kernel.org>, Prajith Jayarajan <prajith@ti.com>,
	rogerq <rogerq@kernel.org>, basharath <basharath@couthit.com>,
	ssantosh <ssantosh@kernel.org>,
	Vadim Fedorenko <vadim.fedorenko@linux.dev>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	rogerq <rogerq@ti.com>, srk <srk@ti.com>,
	kory maincent <kory.maincent@bootlin.com>,
	m-malladi <m-malladi@ti.com>, netdev <netdev@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	danishanwar <danishanwar@ti.com>, afd <afd@ti.com>,
	andrew+netdev <andrew+netdev@lunn.ch>, horms <horms@kernel.org>,
	krishna <krishna@couthit.com>, krzk+dt <krzk+dt@kernel.org>,
	davem <davem@davemloft.net>
Subject: Re: [PATCH net-next v13 4/5] net: ti: prueth: Adds link detection, RX and TX support.
Date: Wed, 20 Aug 2025 08:17:13 -0700	[thread overview]
Message-ID: <20250820081713.2d243c55@kernel.org> (raw)
In-Reply-To: <1714979234.207867.1755695297667.JavaMail.zimbra@couthit.local>

On Wed, 20 Aug 2025 18:38:17 +0530 (IST) Parvathi Pudi wrote:
> > On Mon, 18 Aug 2025 18:39:37 +0530 (IST) Parvathi Pudi wrote:  
> >> +       if (num_rx_packets < budget && napi_complete_done(napi, num_rx_packets))
> >>                 enable_irq(emac->rx_irq);
> >> -       }
> >>  
> >>         return num_rx_packets;
> >>  }
> >> 
> >> We will address this in the next version.  
> > 
> > Ideally:
> > 
> >	if (num_rx < budget && napi_complete_done()) {
> >		enable_irq();
> >		return num_rx;
> >	}
> > 
> > 	return budget;  
> 
> However, if num_rx < budget and if napi_complete_done() is false, then
> instead of returning the num_rx the above code will return budget.
> 
> So, unless I am missing something, the previous logic seems correct to me.
> Please let me know otherwise.

IIRC either way is fine, as long as num_rx doesn't go over budget.


  reply	other threads:[~2025-08-20 18:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-12 11:05 [PATCH net-next v13 0/5] PRU-ICSSM Ethernet Driver Parvathi Pudi
2025-08-12 11:05 ` [PATCH net-next v13 1/5] dt-bindings: net: ti: Adds DUAL-EMAC mode support on PRU-ICSS2 for AM57xx, AM43xx and AM33xx SOCs Parvathi Pudi
2025-08-12 11:05 ` [PATCH net-next v13 2/5] net: ti: prueth: Adds ICSSM Ethernet driver Parvathi Pudi
2025-08-12 11:05 ` [PATCH net-next v13 3/5] net: ti: prueth: Adds PRUETH HW and SW configuration Parvathi Pudi
2025-08-12 13:34 ` [PATCH net-next v13 4/5] net: ti: prueth: Adds link detection, RX and TX support Parvathi Pudi
2025-08-15 18:59   ` Jakub Kicinski
2025-08-18 13:09     ` Parvathi Pudi
2025-08-18 15:40       ` Jakub Kicinski
2025-08-20 13:08         ` Parvathi Pudi
2025-08-20 15:17           ` Jakub Kicinski [this message]
2025-08-21 10:22             ` Parvathi Pudi
2025-08-12 13:34 ` [PATCH net-next v13 5/5] net: ti: prueth: Adds IEP support for PRUETH on AM33x, AM43x and AM57x SOCs Parvathi Pudi
2025-08-18 15:59 ` [PATCH net-next v13 0/5] PRU-ICSSM Ethernet Driver Anwar, Md Danish
2025-08-20 13:12   ` Parvathi Pudi

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