From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6159D1F12FC for ; Tue, 11 Feb 2025 14:44:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739285046; cv=none; b=KQkG+yLBGilczp2CdMoYCb5nEpZW2hCnNIMCzatdJqPSOtCX4PlyKfPM1tZMXleVZhRLLub5MazrtLZsYmlCmvMSTYA9j/CkLR4C/8rV2rgerFB4N5S4WNgEefsf8VbeH3eLPjtsz8/hzXecA6kquz/pkEtNAKrBs/LL1ydWhh4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739285046; c=relaxed/simple; bh=frPQ2x9r1wmULVqXEPuuRGWbRtOiAHnDEcb1q1nENVM=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=tjqhE1nzjUVraQ45fEVFVhtCffKYAZfn5feR5LgwSKTx5/8NB01OZcd2N0OystNH4Y+/09wG1zx1Zpxyn9Ahp2ZPaqOm1Z8n9c9/kRWl8JgVjC0hUbl5lvKpNC6xrV5dW2PueqrVLDrbcv+sQc9KnSGP3m0clXrElzUMpJ5/HbI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=q6Gweo1H; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=q4fLvAWT; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="q6Gweo1H"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="q4fLvAWT" From: Kurt Kanzenbach DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1739285042; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=frPQ2x9r1wmULVqXEPuuRGWbRtOiAHnDEcb1q1nENVM=; b=q6Gweo1HpLPTyBz4O/b0+gHb0AFS4c6dQdiKDvQEFQbFtpCWmqRClopXiOKm2ja20L3EDJ v3e/lzpuJbTL78rNRg3709tFZ3fC+5dBZCchOQnbqwKWmp4jV+kUnD29E7AdiSRxik7t3f 5INucZ8ohYQKmama5x68frM1kPvNtmScEqkTA/Y1WiabRwkE3XcgaFRd+c/eD6saJuLz14 IsW8Wr1jlagNGSMY6tc1h7mBcNTVnj8jsqTa5KBDV1qnc4ynzE9H6ByFvCjp2pFA0TdNo+ OqmJB0uE9G0IgvPHcAjEiuLhwwnbMXYrEeCaJsB/h50ENH21cU5A7DhwXGbVaQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1739285042; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=frPQ2x9r1wmULVqXEPuuRGWbRtOiAHnDEcb1q1nENVM=; b=q4fLvAWT5Vlkm8VWaTGtvYApBxoY3M+ZG18eAp42c3vISDHVfKuHKJeRJe173A/x6mzgIF DSbdLAn7j+ZNnnBw== To: Joe Damato Cc: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Sebastian Andrzej Siewior , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org Subject: Re: [PATCH 0/3] igb: XDP/ZC follow up In-Reply-To: References: <20250210-igb_irq-v1-0-bde078cdb9df@linutronix.de> Date: Tue, 11 Feb 2025 15:44:00 +0100 Message-ID: <87ikpgr173.fsf@kurt.kurt.home> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable 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=20 >> patches link the IRQs and queues to NAPI instances. This is required to= =20 >> bring back the XDP/ZC busy polling support. The last patch removes=20 >> undesired IRQs (injected via igb watchdog) while busy polling with=20 >> 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(). --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJHBAEBCgAxFiEEvLm/ssjDfdPf21mSwZPR8qpGc4IFAmerYjATHGt1cnRAbGlu dXRyb25peC5kZQAKCRDBk9HyqkZzgupeD/0REufAXeovfQatLQDXtxRC5rNUMCRK ZhJJ08SX1hSZ54M3vA7sX7pzDKg5YBXQIqBVvaE/fto8oWbc1OBM57g3vY8sMCF+ lctEZpn6VDxlRMj2YfJZ+tP3gnImXZlnnBbYgmUp0C+uIyDRPr99QpfohcM99sSm 5bakMC9RrJ64G4lxbIjLw5qyH+xGNZ4+WPoS2uVN3+Nn7llHUGY4Q3A6Wt0hcQg/ XzhdejD9voNkVG6blV5v2nIGNQk3Dq2nf3akAOUyFPxcEtco8ZDDhgnNlNjW4CbY iWh+PQnsJgzmV7nxqH5j508V42rizJzfmawTjwPZKEYGC7PZqWjg5Qb+BcyXF0if ZorUeesaOzxPgNLPNOJrqPWLzcX2ofF7lsYeROPuL/r5CHytIV9k5+Vk3Wgsv/2d heoN+snGL/QcgotauSC04lZAhf3OsPXgK2lop1K5M7+w0KsZKbeBPoTKsuxngFXL raYoiHLUWEUL8eXGB+hZdiOyFSkU4r1PsBvFIdrikD2F+MrQO+tORwUgOcDvr6Nk IT8O+VDhXTNoFK2m2QMvHHVm6VP7MYROGoAubZmzSUwMVxoS0pCIz/2UIctLdJZT Xx4L/HK6le1JEdIzkaNRS9B6KED9PZCVeWVkwIHgYMuWPbhQ610+A94wFHiCWJ8n LPmzYjQ2ra/2aQ== =xpvO -----END PGP SIGNATURE----- --=-=-=--