From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C0073C0219B for ; Tue, 11 Feb 2025 14:44:08 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 3414340505; Tue, 11 Feb 2025 14:44:08 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id FA468oFklE8b; Tue, 11 Feb 2025 14:44:07 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 52F9D40894 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1739285047; bh=frPQ2x9r1wmULVqXEPuuRGWbRtOiAHnDEcb1q1nENVM=; h=From:To:Cc:In-Reply-To:References:Date:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=3xE1zMXeFYpCeJy3cTTrXjtw2Ntk3lwRCUakPc6YDrz98gIMzPAdq9lktgeAuMnaJ HGueEe30vLXY7qAp7PPW5hP6ocVeCwh4SmVkXV9pQXbeUF/ZqBCBK7hL2uuA4Fj8ve u0wRvVzHl6whWTDgfeUeWdD5Su2ThmMCNH8fuNkz/td4MMOnnLdgzziEOqWmJXJ1Vs hEI1RDaPk4pi4Q8dELG6e2DM6PJ/khxOtTVuLOWbUso54h2O62qAc4xaGf4rqxWSZl 5GMFROieTyPfNNoRJqga6TsCLqM0CZV2kI18a/ORjRq/Sy6Gqjq6Urk7VojDtyWNrs 9JCk3xSm46hbw== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp4.osuosl.org (Postfix) with ESMTP id 52F9D40894; Tue, 11 Feb 2025 14:44:07 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists1.osuosl.org (Postfix) with ESMTP id F3A66194 for ; Tue, 11 Feb 2025 14:44:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id D79A140FF5 for ; Tue, 11 Feb 2025 14:44:05 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id AtJrtRqxrfFT for ; Tue, 11 Feb 2025 14:44:05 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=193.142.43.55; helo=galois.linutronix.de; envelope-from=kurt@linutronix.de; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp2.osuosl.org F1AB240BE2 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org F1AB240BE2 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by smtp2.osuosl.org (Postfix) with ESMTPS id F1AB240BE2 for ; Tue, 11 Feb 2025 14:44:04 +0000 (UTC) From: Kurt Kanzenbach 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 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> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Mailman-Original-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== X-Mailman-Original-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== X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=none dis=none) header.from=linutronix.de X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=q6Gweo1H; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=q4fLvAWT Subject: Re: [Intel-wired-lan] [PATCH 0/3] igb: XDP/ZC follow up X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" --=-=-= 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----- --=-=-=--