From patchwork Mon Sep 30 20:24:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rosen Penev X-Patchwork-Id: 13817040 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8D65119F42E; Mon, 30 Sep 2024 20:24:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727727879; cv=none; b=av47wLbAmPMl+eifRJOfBAzqhNTmux/LCAOIwnJDXW+WbKCCA6LVzna9+Vdp3EkoNBgD3mWipKXKz+Wgq4lEcQ1bYeElpODBakMXXo35eyLXWNU/GYC7TOqpiz1nRMtF++OvV8w5XWhiehCWZJGDilD/IAWFXn4GN04s+OISp4M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727727879; c=relaxed/simple; bh=QlbONOqz1K0XWEos9xTIVvmpV0mzdmbc6M33HeTBch0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=icw/+QRnfGEJV+Mm/+uoiSytXflvFtXKHlSzG4g6qDTRoCtRwNBwmNchIHV/BttgkAVJPWgTKIw0tLXxnzX+24NEc8E+XvnPo0iWRKDI6Oc9shTQ4kC/arhFersaVY7z7a3PKsz4JYucOugFfIrws/UkiKbl3WT4B9ZS1nRlThA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=MJaYdCD6; arc=none smtp.client-ip=209.85.210.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MJaYdCD6" Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-717934728adso3650980b3a.2; Mon, 30 Sep 2024 13:24:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727727878; x=1728332678; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hzx552Qp8I6tvYVdnDmUIDQNHhaHMQHL12jQp5qE218=; b=MJaYdCD6gHIIt57wOVT2I1ncOlIW9rwO3yqmkBeh0zwsadDLfHS3ZDCtJL8uy0QFx+ 6LRkLzhFM6A864pSmQEBPhCoME9H7Xm1iqhr6J+zClsqoJKzLJXQ3fG8cAISZk4uWYA2 Vmrd14+3WMw+GkOPzA3HPShtfSmmE6iUPLzDVitqS7NFhBNIj/fcrj2a42B/tXnOVii/ EJNgLjYsPb1SESXWxXMpZoe1hPMezcXjd4UxbQzQI87+Fh2hFE9+maJbT8aLTOViIDuV RU8IGNjSz/Il5ifP7p7PU2Y5aRf4Mibik4l08OId7jvdYfyRXBP43MqGiKR9hmxN5P2R mTnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727727878; x=1728332678; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=hzx552Qp8I6tvYVdnDmUIDQNHhaHMQHL12jQp5qE218=; b=BQ8L3s524E2wleexJtdysntZs8bl3d0pYwXBqBsCsjeknjoou4upTLP22Uzwxmg36H GGUWb9F1VEd4wK18cBSKPrbpvz3aFgMDA0WMj6LfrCIyuHjJ2uChwYyITcjQN6fB1BZD LG1hMCvb2BZRttvttx/ooY0Fidc5AfhfGkisBA1r0Lqg+UBXWwW1kOUVrL0oIcavlSmM ySqqe5Yk/uW1o7dTOv1eJPc0/CZAW89c0MbKpcgRgtqvWXTxeXnEuG65CW6pvHb0+XEB 9Na7OT+Nfn6SiSDVxo0geovCe/zotQUhftAy+QbY5gsdDOMct+y46rF/v52ULCJro1SK CPMw== X-Forwarded-Encrypted: i=1; AJvYcCUFE5bNpRtSnpe5RuCHo3kecMLGRL/6s3GmZGG2YC5cUYFN6dVf2xS/hP54u42pm1vpJr+XMv234r3u+0Y=@vger.kernel.org X-Gm-Message-State: AOJu0YwC7SPzBg67DHbIvZdmCKiq92HC23UrnfN0ujRnhGVlL05Kd3Fd lIkNMYG2CJ3cfkn+AiExAeeoMFt3WRhcnWsgtwloIwvsP7y5PA+rDw9vM2Ka X-Google-Smtp-Source: AGHT+IF/gNOFFvcOrGW0xURPuzG12o30PppK4sbSjTPXG8TQN1pU2wAFd1y/odMUYCwBkgYr8SvFqw== X-Received: by 2002:a05:6a00:228e:b0:70d:2708:d7ec with SMTP id d2e1a72fcca58-71b25f2aab9mr17767492b3a.5.1727727877573; Mon, 30 Sep 2024 13:24:37 -0700 (PDT) Received: from ryzen.lan ([2601:644:8200:dab8::a86]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71b265160a5sm6670623b3a.103.2024.09.30.13.24.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 13:24:37 -0700 (PDT) From: Rosen Penev To: netdev@vger.kernel.org Cc: andrew@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, olek2@wp.pl, shannon.nelson@amd.com Subject: [PATCH net-next 1/9] net: lantiq_etop: use netif_receive_skb_list Date: Mon, 30 Sep 2024 13:24:26 -0700 Message-ID: <20240930202434.296960-2-rosenp@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20240930202434.296960-1-rosenp@gmail.com> References: <20240930202434.296960-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Improves cache efficiency by batching rx skb processing. Small performance improvement on RX. Signed-off-by: Rosen Penev --- drivers/net/ethernet/lantiq_etop.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 3c289bfe0a09..94b37c12f3f7 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -122,8 +122,7 @@ ltq_etop_alloc_skb(struct ltq_etop_chan *ch) return 0; } -static void -ltq_etop_hw_receive(struct ltq_etop_chan *ch) +static void ltq_etop_hw_receive(struct ltq_etop_chan *ch, struct list_head *lh) { struct ltq_etop_priv *priv = netdev_priv(ch->netdev); struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; @@ -143,7 +142,7 @@ ltq_etop_hw_receive(struct ltq_etop_chan *ch) skb_put(skb, len); skb->protocol = eth_type_trans(skb, ch->netdev); - netif_receive_skb(skb); + list_add_tail(&skb->list, lh); } static int @@ -151,6 +150,7 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget) { struct ltq_etop_chan *ch = container_of(napi, struct ltq_etop_chan, napi); + LIST_HEAD(rx_list); int work_done = 0; while (work_done < budget) { @@ -158,9 +158,12 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget) if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) != LTQ_DMA_C) break; - ltq_etop_hw_receive(ch); + ltq_etop_hw_receive(ch, &rx_list); work_done++; } + + netif_receive_skb_list(&rx_list); + if (work_done < budget) { napi_complete_done(&ch->napi, work_done); ltq_dma_ack_irq(&ch->dma);