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From: Kurt Kanzenbach <kurt@linutronix.de>
To: Joe Damato <jdamato@fastly.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH 0/3] igb: XDP/ZC follow up
Date: Tue, 11 Feb 2025 15:44:00 +0100	[thread overview]
Message-ID: <87ikpgr173.fsf@kurt.kurt.home> (raw)
In-Reply-To: <Z6rAuqYnIzQH_gtN@LQ3V64L9R2>

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On Mon Feb 10 2025, Joe Damato wrote:
> On Mon, Feb 10, 2025 at 10:19:34AM +0100, Kurt Kanzenbach wrote:
>> This is a follow up for the igb XDP/ZC implementation. The first two 
>> patches link the IRQs and queues to NAPI instances. This is required to 
>> bring back the XDP/ZC busy polling support. The last patch removes 
>> undesired IRQs (injected via igb watchdog) while busy polling with 
>> napi_defer_hard_irqs and gro_flush_timeout set.
>
> You may want to use netif_napi_add_config to enable persistent NAPI
> config, btw. This makes writing userland programs based on
> SO_INCOMING_NAPI_ID much easier.

Thanks, that looks useful too. I'll add another patch to this series to
use netif_napi_add_config().

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WARNING: multiple messages have this Message-ID (diff)
From: Kurt Kanzenbach <kurt@linutronix.de>
To: Joe Damato <jdamato@fastly.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org
Subject: Re: [PATCH 0/3] igb: XDP/ZC follow up
Date: Tue, 11 Feb 2025 15:44:00 +0100	[thread overview]
Message-ID: <87ikpgr173.fsf@kurt.kurt.home> (raw)
In-Reply-To: <Z6rAuqYnIzQH_gtN@LQ3V64L9R2>

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On Mon Feb 10 2025, Joe Damato wrote:
> On Mon, Feb 10, 2025 at 10:19:34AM +0100, Kurt Kanzenbach wrote:
>> This is a follow up for the igb XDP/ZC implementation. The first two 
>> patches link the IRQs and queues to NAPI instances. This is required to 
>> bring back the XDP/ZC busy polling support. The last patch removes 
>> undesired IRQs (injected via igb watchdog) while busy polling with 
>> napi_defer_hard_irqs and gro_flush_timeout set.
>
> You may want to use netif_napi_add_config to enable persistent NAPI
> config, btw. This makes writing userland programs based on
> SO_INCOMING_NAPI_ID much easier.

Thanks, that looks useful too. I'll add another patch to this series to
use netif_napi_add_config().

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  reply	other threads:[~2025-02-11 14:44 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-10  9:19 [Intel-wired-lan] [PATCH 0/3] igb: XDP/ZC follow up Kurt Kanzenbach
2025-02-10  9:19 ` Kurt Kanzenbach
2025-02-10  9:19 ` [Intel-wired-lan] [PATCH 1/3] igb: Link IRQs to NAPI instances Kurt Kanzenbach
2025-02-10  9:19   ` Kurt Kanzenbach
2025-02-10 18:25   ` [Intel-wired-lan] " Joe Damato
2025-02-10 18:25     ` Joe Damato
2025-02-10 22:22     ` [Intel-wired-lan] " Joe Damato
2025-02-10 22:22       ` Joe Damato
2025-02-10  9:19 ` [Intel-wired-lan] [PATCH 2/3] igb: Link queues " Kurt Kanzenbach
2025-02-10  9:19   ` Kurt Kanzenbach
2025-02-10 18:47   ` [Intel-wired-lan] " Joe Damato
2025-02-10 18:47     ` Joe Damato
2025-02-11  7:51     ` [Intel-wired-lan] " Kurt Kanzenbach
2025-02-11  7:51       ` Kurt Kanzenbach
2025-02-10  9:19 ` [Intel-wired-lan] [PATCH 3/3] igb: Get rid of spurious interrupts Kurt Kanzenbach
2025-02-10  9:19   ` Kurt Kanzenbach
2025-02-10 18:58   ` [Intel-wired-lan] " Joe Damato
2025-02-10 18:58     ` Joe Damato
2025-02-10 20:14   ` [Intel-wired-lan] " Gerhard Engleder
2025-02-10 20:14     ` Gerhard Engleder
2025-02-11  7:51     ` [Intel-wired-lan] " Kurt Kanzenbach
2025-02-11  7:51       ` Kurt Kanzenbach
2025-02-10 19:49 ` [Intel-wired-lan] [PATCH 0/3] igb: XDP/ZC follow up Joe Damato
2025-02-10 19:49   ` Joe Damato
2025-02-11  3:15 ` [Intel-wired-lan] " Joe Damato
2025-02-11  3:15   ` Joe Damato
2025-02-11 14:44   ` Kurt Kanzenbach [this message]
2025-02-11 14:44     ` Kurt Kanzenbach

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