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GET /api/patches/1157160/?format=api
{ "id": 1157160, "url": "http://patchwork.ozlabs.org/api/patches/1157160/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20190903083108.19593-8-anthony.l.nguyen@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20190903083108.19593-8-anthony.l.nguyen@intel.com>", "list_archive_url": null, "date": "2019-09-03T08:31:07", "name": "[S28,v2,8/9] ice: change default number of receive descriptors", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "f48de516762336432802df2b59b98db518a6e26b", "submitter": { "id": 68875, "url": "http://patchwork.ozlabs.org/api/people/68875/?format=api", "name": "Tony Nguyen", "email": "anthony.l.nguyen@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20190903083108.19593-8-anthony.l.nguyen@intel.com/mbox/", "series": [ { "id": 128806, "url": "http://patchwork.ozlabs.org/api/series/128806/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=128806", "date": "2019-09-03T08:31:06", "name": "[S28,v2,1/9] ice: Reliably reset VFs", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/128806/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1157160/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1157160/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.136; helo=silver.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdmarc=fail (p=none dis=none) header.from=intel.com" ], "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 46NCr81BZcz9sNk\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 4 Sep 2019 03:00:24 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id D7237228A7;\n\tTue, 3 Sep 2019 17:00:21 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id k7+UWZ8Z+UQ7; Tue, 3 Sep 2019 17:00:18 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id 2B79E22795;\n\tTue, 3 Sep 2019 17:00:18 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id 0B0571BF27F\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 3 Sep 2019 17:00:17 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 06C9A87E90\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 3 Sep 2019 17:00:17 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id ZwEsNY3A8bWm for <intel-wired-lan@lists.osuosl.org>;\n\tTue, 3 Sep 2019 17:00:15 +0000 (UTC)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby hemlock.osuosl.org (Postfix) with ESMTPS id 0D1B787E3C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 3 Sep 2019 17:00:14 +0000 (UTC)", "from orsmga006.jf.intel.com ([10.7.209.51])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t03 Sep 2019 10:00:13 -0700", "from unknown (HELO localhost.jf.intel.com) ([10.166.244.174])\n\tby orsmga006.jf.intel.com with ESMTP; 03 Sep 2019 10:00:13 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.64,463,1559545200\"; d=\"scan'208\";a=\"187320664\"", "From": "Tony Nguyen <anthony.l.nguyen@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Tue, 3 Sep 2019 01:31:07 -0700", "Message-Id": "<20190903083108.19593-8-anthony.l.nguyen@intel.com>", "X-Mailer": "git-send-email 2.20.1", "In-Reply-To": "<20190903083108.19593-1-anthony.l.nguyen@intel.com>", "References": "<20190903083108.19593-1-anthony.l.nguyen@intel.com>", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [PATCH S28 v2 8/9] ice: change default number of\n\treceive descriptors", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "From: Jesse Brandeburg <jesse.brandeburg@intel.com>\n\nThe driver should start out with a reasonable number of descriptors that\ncan prevent drops due to a CPU being in a power management state.\nChange the default number of descriptors to 2048.\nThe user can always change the value at runtime. Transmit descriptor\ncounts are not modified because they don't need to change due to the\nspeed of the interface, or for power managed CPUs, but the code is\nsimplified to a fixed value for the transmit default.\n\nSigned-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>\n---\n drivers/net/ethernet/intel/ice/ice.h | 19 ++-----------------\n 1 file changed, 2 insertions(+), 17 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h\nindex 6c4faf7551f6..b36e1cf0e461 100644\n--- a/drivers/net/ethernet/intel/ice/ice.h\n+++ b/drivers/net/ethernet/intel/ice/ice.h\n@@ -47,23 +47,8 @@ extern const char ice_drv_ver[];\n #define ICE_MIN_NUM_DESC\t64\n #define ICE_MAX_NUM_DESC\t8160\n #define ICE_DFLT_MIN_RX_DESC\t512\n-/* if the default number of Rx descriptors between ICE_MAX_NUM_DESC and the\n- * number of descriptors to fill up an entire page is greater than or equal to\n- * ICE_DFLT_MIN_RX_DESC set it based on page size, otherwise set it to\n- * ICE_DFLT_MIN_RX_DESC\n- */\n-#define ICE_DFLT_NUM_RX_DESC \\\n-\tmin_t(u16, ICE_MAX_NUM_DESC, \\\n-\t max_t(u16, ALIGN(PAGE_SIZE / sizeof(union ice_32byte_rx_desc), \\\n-\t\t\t ICE_REQ_DESC_MULTIPLE), \\\n-\t\t ICE_DFLT_MIN_RX_DESC))\n-/* set default number of Tx descriptors to the minimum between ICE_MAX_NUM_DESC\n- * and the number of descriptors to fill up an entire page\n- */\n-#define ICE_DFLT_NUM_TX_DESC\tmin_t(u16, ICE_MAX_NUM_DESC, \\\n-\t\t\t\t ALIGN(PAGE_SIZE / \\\n-\t\t\t\t\t sizeof(struct ice_tx_desc), \\\n-\t\t\t\t\t ICE_REQ_DESC_MULTIPLE))\n+#define ICE_DFLT_NUM_TX_DESC\t256\n+#define ICE_DFLT_NUM_RX_DESC\t2048\n \n #define ICE_DFLT_TRAFFIC_CLASS\tBIT(0)\n #define ICE_INT_NAME_STR_LEN\t(IFNAMSIZ + 16)\n", "prefixes": [ "S28", "v2", "8/9" ] }