Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2197484/?format=api
{ "id": 2197484, "url": "http://patchwork.ozlabs.org/api/patches/2197484/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260217225956.1593920-1-grzegorz.nitka@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": "<20260217225956.1593920-1-grzegorz.nitka@intel.com>", "list_archive_url": null, "date": "2026-02-17T22:59:56", "name": "[iwl-net] ice: update PCS latency settings for E825 10G/25Gb modes", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "a1ca547f6c18ea3c9481a882dc638b5ea8b73c21", "submitter": { "id": 82711, "url": "http://patchwork.ozlabs.org/api/people/82711/?format=api", "name": "Nitka, Grzegorz", "email": "grzegorz.nitka@intel.com" }, "delegate": { "id": 109701, "url": "http://patchwork.ozlabs.org/api/users/109701/?format=api", "username": "anguy11", "first_name": "Anthony", "last_name": "Nguyen", "email": "anthony.l.nguyen@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260217225956.1593920-1-grzegorz.nitka@intel.com/mbox/", "series": [ { "id": 492494, "url": "http://patchwork.ozlabs.org/api/series/492494/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=492494", "date": "2026-02-17T22:59:56", "name": "[iwl-net] ice: update PCS latency settings for E825 10G/25Gb modes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492494/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2197484/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197484/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@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=ANR8ugiq;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.137; helo=smtp4.osuosl.org;\n envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fFwDD1YF5z1xvq\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 18 Feb 2026 10:03:23 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id D8AA2406EB;\n\tTue, 17 Feb 2026 23:03:11 +0000 (UTC)", "from smtp4.osuosl.org ([127.0.0.1])\n by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id E5uVE5Tlc204; Tue, 17 Feb 2026 23:03:09 +0000 (UTC)", "from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id A34A8406E6;\n\tTue, 17 Feb 2026 23:03:09 +0000 (UTC)", "from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n by lists1.osuosl.org (Postfix) with ESMTP id 733A9270\n for <intel-wired-lan@lists.osuosl.org>; Tue, 17 Feb 2026 23:03:08 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by smtp2.osuosl.org (Postfix) with ESMTP id 57D8940262\n for <intel-wired-lan@lists.osuosl.org>; Tue, 17 Feb 2026 23:03:08 +0000 (UTC)", "from smtp2.osuosl.org ([127.0.0.1])\n by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id uGdxpmZUgHQI for <intel-wired-lan@lists.osuosl.org>;\n Tue, 17 Feb 2026 23:03:07 +0000 (UTC)", "from mgamail.intel.com (mgamail.intel.com [192.198.163.15])\n by smtp2.osuosl.org (Postfix) with ESMTPS id 8E0E340248\n for <intel-wired-lan@lists.osuosl.org>; Tue, 17 Feb 2026 23:03:07 +0000 (UTC)", "from fmviesa007.fm.intel.com ([10.60.135.147])\n by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 17 Feb 2026 15:03:07 -0800", "from gklab-003-001.igk.intel.com ([10.91.173.48])\n by fmviesa007.fm.intel.com with ESMTP; 17 Feb 2026 15:03:05 -0800" ], "X-Virus-Scanned": [ "amavis at osuosl.org", "amavis at osuosl.org" ], "X-Comment": "SPF check N/A for local connections - client-ip=140.211.166.142;\n helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp4.osuosl.org A34A8406E6", "OpenDKIM Filter v2.11.0 smtp2.osuosl.org 8E0E340248" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1771369389;\n\tbh=RybZ0KMeO4p7NLO6E13DWbAbZPecJd/yBQ0NZNQJYr4=;\n\th=From:To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:\n\t List-Post:List-Help:List-Subscribe:Cc:From;\n\tb=ANR8ugiqaWTIDiprxYjW1oYfIap3cVEshf963FyfY0ZsjxH2WPrV98uGYADMoQ9O2\n\t Yuzex2IEyIFFL1SYeEjPZypXhbQde9Lj/nqx14UZ0Cb0tV4zs7TBD2iema0wQIMckQ\n\t zAz40Ok9qWmnnXgZ4MJ/UzVCQI6ujHxoImg75BTUHQGGMk6itEtcSCqV8EzXiPzjtA\n\t OFhKX3jWIkF96WnrzbfuraBj7stM5xv+LtNe9/TYXi04xZGvOKjBGq+GGR0tqogh7q\n\t lls8gNwOIjVJsBmH0IG1WC3B2F0wwC4u2rLisC7c1HIcEo/NOlXDB9Tzk4mWAbOgIe\n\t 6ymD0j7yOj/xg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=192.198.163.15;\n helo=mgamail.intel.com; envelope-from=grzegorz.nitka@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp2.osuosl.org 8E0E340248", "X-CSE-ConnectionGUID": [ "wBobFoGyRzWXJy26q7ie4w==", "qR4X/p4tQaWBRVbfjFOlPw==" ], "X-CSE-MsgGUID": [ "oA8T/BSdT/uRRFZiBbtuSw==", "/lrV/rykTearZIkt9IlOcA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11704\"; a=\"72541561\"", "E=Sophos;i=\"6.21,297,1763452800\"; d=\"scan'208\";a=\"72541561\"", "E=Sophos;i=\"6.21,297,1763452800\"; d=\"scan'208\";a=\"212732208\"" ], "X-ExtLoop1": "1", "From": "Grzegorz Nitka <grzegorz.nitka@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Tue, 17 Feb 2026 23:59:56 +0100", "Message-Id": "<20260217225956.1593920-1-grzegorz.nitka@intel.com>", "X-Mailer": "git-send-email 2.39.3", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1771369388; x=1802905388;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=ACQhzgqYI4BP9sufN+hWv/pC9E5bB06fTv1NUnF6qdA=;\n b=BhJR1D1ShWwiuhFtHM/uFDLaGNx7i0q9ycSCe7hzG4BJo6EzyQ6Hq8G/\n z6zVD57Ad5zErC8jbZoTtdm/Vck+zhxK2lLWoHTv33IyxxBrmajwcmb++\n OI5bKF3oBIpWzIXiPd3C6ji+YJ+WTiwuOK/ERl+NUJay8FnvXk3Gzc8mK\n P5O+ITXL1x5TLGqnS5FWQjptA+NIwMc8hqAUu+o6qmmeN6YbJNeOVX1Qt\n /MJCleo6YeD2aCVS2O03zJMBEfTBe0Y/U9KsxuxJ0TP54/SrLOz9G398h\n bd6yYTjpOWoXsftimAmsBBkKH+E/UX14jTJqkHrll+dhs/LJx5HCJ11Aa\n g==;", "X-Mailman-Original-Authentication-Results": [ "smtp2.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp2.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=BhJR1D1S" ], "Subject": "[Intel-wired-lan] [PATCH iwl-net] ice: update PCS latency settings\n for E825 10G/25Gb modes", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <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 <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "netdev@vger.kernel.org,\n Aleksandr Loktionov <aleksandr.loktionov@intel.com>,\n anthony.l.nguyen@intel.com, Zoltan Fodor <zoltan.fodor@intel.com>,\n Jacob Keller <jacob.e.keller@intel.com>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Update MAC Rx/Tx offset registers settings (PHY_MAC_[RX|TX]_OFFSET\nregisters) with the data obtained with the latest research. It applies\nto PCS latency settings for the following speeds/modes:\n* 10Gb NO-FEC\n - TX latency changed from 71.25 ns to 73 ns\n - RX latency changed from -25.6 ns to -28 ns\n* 25Gb NO-FEC\n\t- TX latency changed from 28.17 ns to 33 ns\n - RX latency changed from -12.45 ns to -12 ns\n* 25Gb RS-FEC\n - TX latency changed from 64.5 ns to 69 ns\n - RX latency changed from -3.6 ns to -3 ns\n\nThe original data came from simulation and pre-production hardware.\nThe new data measures the actual delays and as such is more accurate.\n\nFixes: 7cab44f1c35f (\"ice: Introduce ETH56G PHY model for E825C products\")\nCo-developed-by: Zoltan Fodor <zoltan.fodor@intel.com>\nReviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\nReviewed-by: Jacob Keller <jacob.e.keller@intel.com>\nSigned-off-by: Zoltan Fodor <zoltan.fodor@intel.com>\nSigned-off-by: Grzegorz Nitka <grzegorz.nitka@intel.com>\n---\n drivers/net/ethernet/intel/ice/ice_ptp_consts.h | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)\n\n\nbase-commit: acd2abc52dea91c3bc3d1b6dd8a92b9631d48bbf", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_consts.h b/drivers/net/ethernet/intel/ice/ice_ptp_consts.h\nindex 19dddd9b53dd..4d298c27bfb2 100644\n--- a/drivers/net/ethernet/intel/ice/ice_ptp_consts.h\n+++ b/drivers/net/ethernet/intel/ice/ice_ptp_consts.h\n@@ -78,14 +78,14 @@ struct ice_eth56g_mac_reg_cfg eth56g_mac_cfg[NUM_ICE_ETH56G_LNK_SPD] = {\n \t\t.blktime = 0x666, /* 3.2 */\n \t\t.tx_offset = {\n \t\t\t.serdes = 0x234c, /* 17.6484848 */\n-\t\t\t.no_fec = 0x8e80, /* 71.25 */\n+\t\t\t.no_fec = 0x93d9, /* 73 */\n \t\t\t.fc = 0xb4a4, /* 90.32 */\n \t\t\t.sfd = 0x4a4, /* 2.32 */\n \t\t\t.onestep = 0x4ccd /* 38.4 */\n \t\t},\n \t\t.rx_offset = {\n \t\t\t.serdes = 0xffffeb27, /* -10.42424 */\n-\t\t\t.no_fec = 0xffffcccd, /* -25.6 */\n+\t\t\t.no_fec = 0xffffc7b6, /* -28 */\n \t\t\t.fc = 0xfffc557b, /* -469.26 */\n \t\t\t.sfd = 0x4a4, /* 2.32 */\n \t\t\t.bs_ds = 0x32 /* 0.0969697 */\n@@ -118,17 +118,17 @@ struct ice_eth56g_mac_reg_cfg eth56g_mac_cfg[NUM_ICE_ETH56G_LNK_SPD] = {\n \t\t.mktime = 0x147b, /* 10.24, only if RS-FEC enabled */\n \t\t.tx_offset = {\n \t\t\t.serdes = 0xe1e, /* 7.0593939 */\n-\t\t\t.no_fec = 0x3857, /* 28.17 */\n+\t\t\t.no_fec = 0x4266, /* 33 */\n \t\t\t.fc = 0x48c3, /* 36.38 */\n-\t\t\t.rs = 0x8100, /* 64.5 */\n+\t\t\t.rs = 0x8a00, /* 69 */\n \t\t\t.sfd = 0x1dc, /* 0.93 */\n \t\t\t.onestep = 0x1eb8 /* 15.36 */\n \t\t},\n \t\t.rx_offset = {\n \t\t\t.serdes = 0xfffff7a9, /* -4.1697 */\n-\t\t\t.no_fec = 0xffffe71a, /* -12.45 */\n+\t\t\t.no_fec = 0xffffe700, /* -12 */\n \t\t\t.fc = 0xfffe894d, /* -187.35 */\n-\t\t\t.rs = 0xfffff8cd, /* -3.6 */\n+\t\t\t.rs = 0xfffff8cc, /* -3 */\n \t\t\t.sfd = 0x1dc, /* 0.93 */\n \t\t\t.bs_ds = 0x14 /* 0.0387879, RS-FEC 0 */\n \t\t}\n", "prefixes": [ "iwl-net" ] }