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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 39967C0219B for ; Mon, 10 Feb 2025 07:02:50 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id D8BDA81FBD; Mon, 10 Feb 2025 07:02:49 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id D4Ti_UuLyCUX; Mon, 10 Feb 2025 07:02:49 +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 smtp1.osuosl.org 2C3CB81FC9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1739170969; bh=L663zWHJAJ0zSwFRe0E4kjWKNAWHc7L/2kdkPLFx/qk=; h=From:To:Date:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=tumcbdSLc6pmEE9GsWSj5N+vP3DaK7j9FKN8xX4Od1POsGgxGb02NFvuY+VGVu4+J uV5aWOxgESSzNHhAzCYqUSnETI7R7T+5l9ur8s1uRAMHLdMmDp4s1TmuN48lgmTSzn Q6EJID9HzswQI+4sRDCohkkarGZnGXGaOsAbzTt32D0SGhKaQdm6OsFP/0ogTQRiC8 83kGXQSqUtE3P8ufEh5RcdanrEIfiN7bKw/9nHzIjTZXxXgj49OyezBgOP8Mj+aAcD b2iYxQjuxkF1p0f2zKDsMZ+H5hqx7fn8MggcfH/bcXxTVK6FzJsYj2wlTQr2kCU25v ZmCRxzb0BSogQ== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp1.osuosl.org (Postfix) with ESMTP id 2C3CB81FC9; Mon, 10 Feb 2025 07:02:49 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists1.osuosl.org (Postfix) with ESMTP id 4C3446C for ; Mon, 10 Feb 2025 07:02:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 39C2360B10 for ; Mon, 10 Feb 2025 07:02:47 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id X6SyMXzPHpR3 for ; Mon, 10 Feb 2025 07:02:46 +0000 (UTC) Received-SPF: None (mailfrom) identity=mailfrom; client-ip=192.198.163.19; helo=mgamail.intel.com; envelope-from=faizal.abdul.rahim@linux.intel.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp3.osuosl.org 7C03C60AFF DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 7C03C60AFF Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by smtp3.osuosl.org (Postfix) with ESMTPS id 7C03C60AFF for ; Mon, 10 Feb 2025 07:02:46 +0000 (UTC) X-CSE-ConnectionGUID: ePDz7Sf5Q3qE69/2B2chgg== X-CSE-MsgGUID: ihVib+gWQzKSc1Y76z22JQ== X-IronPort-AV: E=McAfee;i="6700,10204,11340"; a="38937928" X-IronPort-AV: E=Sophos;i="6.13,273,1732608000"; d="scan'208";a="38937928" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2025 23:02:45 -0800 X-CSE-ConnectionGUID: wLT55tOHRMKeuc2LVdnz4w== X-CSE-MsgGUID: Zgli5lz3SPSQKPPmks04Qw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,273,1732608000"; d="scan'208";a="112622530" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by fmviesa010.fm.intel.com with ESMTP; 09 Feb 2025 23:02:36 -0800 From: Faizal Rahim To: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Simon Horman , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Furong Xu <0x1207@gmail.com>, Russell King , Vladimir Oltean , Serge Semin , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , Andrew Halaney , Choong Yong Liang , Faizal Rahim , Kunihiko Hayashi , Vinicius Costa Gomes , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Date: Mon, 10 Feb 2025 02:02:01 -0500 Message-Id: <20250210070207.2615418-4-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250210070207.2615418-1-faizal.abdul.rahim@linux.intel.com> References: <20250210070207.2615418-1-faizal.abdul.rahim@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739170966; x=1770706966; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=0OdUdx+lahN2+LUJ2jOFDFj83SCLzyn+8zKWv0oeisM=; b=LKsVLgW5aEdDoyJd79xoNQBmM1T3a7qxYH5TfvWdde6EaKj6wb4FQK5u balBlV9zQUU/cxiOuGzNuYypOg5SH1aqYOxSWpa55Sv3A3Edd7JzvS5Jj DSkhxOhWfJanxNNbI1y6BMPDdj08ryU32AJzrD3jqmdNF8CSUY8XT8bjG Z1zdAvgdCxMfvr5ESodNeSlqHJ+l5I52zfF7BtFvkreSLz35ZCxwZDt0g R8Y/z7jhLOgRh2Fi34WDnmIILb/WtW8umwWYV7EPmam6PMpZSlf3XRaxq CzBa/x9gf6RgeI2nKZZbPyHUfK+WgdFuyLdZIjPMKv7YeSIZ+U3RLe5EJ Q==; X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=LKsVLgW5 Subject: [Intel-wired-lan] [PATCH iwl-next v4 3/9] igc: Optimize the TX packet buffer utilization 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" Packet buffers (RX + TX) total 64KB. Neither RX or TX buffers can be larger than 34KB. So divide the buffer equally, 32KB for each. Co-developed-by: Vinicius Costa Gomes Signed-off-by: Vinicius Costa Gomes Signed-off-by: Faizal Rahim --- drivers/net/ethernet/intel/igc/igc_defines.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 8e449904aa7d..516ef70c98e9 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -400,7 +400,8 @@ #define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ #define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */ -#define IGC_TXPBSIZE_TSN 0x04145145 /* 5k bytes buffer for each queue */ + /* 7KB bytes buffer for each tx queue (total 4 queues) + 4KB for BMC*/ +#define IGC_TXPBSIZE_TSN 0x041c71c7 #define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */ #define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */ -- 2.34.1