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GET /api/patches/2211189/?format=api
{ "id": 2211189, "url": "http://patchwork.ozlabs.org/api/patches/2211189/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260316072053.1241987-2-aleksandr.loktionov@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": "<20260316072053.1241987-2-aleksandr.loktionov@intel.com>", "list_archive_url": null, "date": "2026-03-16T07:20:52", "name": "[iwl-next,v5,1/2] ethtool: treat RXH_GTP_TEID as intrinsically symmetric", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "ee393cd288e6b12618956fc90eee6aaedf4ed2a6", "submitter": { "id": 75597, "url": "http://patchwork.ozlabs.org/api/people/75597/?format=api", "name": "Loktionov, Aleksandr", "email": "aleksandr.loktionov@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/20260316072053.1241987-2-aleksandr.loktionov@intel.com/mbox/", "series": [ { "id": 496019, "url": "http://patchwork.ozlabs.org/api/series/496019/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=496019", "date": "2026-03-16T07:20:52", "name": "ice: implement symmetric RSS hash configuration", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/496019/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2211189/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2211189/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=Fl4fCQsS;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.137; 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Mon, 16 Mar 2026 07:20:58 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by smtp1.osuosl.org (Postfix) with ESMTP id CE20882965\n for <intel-wired-lan@lists.osuosl.org>; Mon, 16 Mar 2026 07:20:58 +0000 (UTC)", "from smtp1.osuosl.org ([127.0.0.1])\n by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id pOTYWBhCzqY2 for <intel-wired-lan@lists.osuosl.org>;\n Mon, 16 Mar 2026 07:20:58 +0000 (UTC)", "from mgamail.intel.com (mgamail.intel.com [198.175.65.11])\n by smtp1.osuosl.org (Postfix) with ESMTPS id 0768882923\n for <intel-wired-lan@lists.osuosl.org>; Mon, 16 Mar 2026 07:20:57 +0000 (UTC)", "from orviesa007.jf.intel.com ([10.64.159.147])\n by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Mar 2026 00:20:58 -0700", "from amlin-019-225.igk.intel.com ([10.102.19.225])\n by orviesa007.jf.intel.com with ESMTP; 16 Mar 2026 00:20:56 -0700" ], "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 BFE5C40C92", "OpenDKIM Filter v2.11.0 smtp1.osuosl.org 0768882923" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1773645660;\n\tbh=YFyK9Oqgfq6kyY7eL0ZXTk+UzohKrWINlFygaLd7fhc=;\n\th=From:To:Date:In-Reply-To:References:Subject:List-Id:\n\t List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:\n\t From;\n\tb=Fl4fCQsSBehpFG7UHrWtqM0kvUkQKy2uhJP/qd/41lz31GMoEdsizooltlvwWHyyd\n\t Q5FoAZzC3UEf0c1NS3dDTaJ9crzjIffTAXIFgxItp4Du30PlC4SUIpOuIaIDtKc1UU\n\t 7BKnTdIftSbdzkZ2GH2V4bdS9O9Ne9FpCqN9Q5sF+CiiqGhb++GAiGQWbSu/heveh0\n\t cTwtao36bYUbXTIC4IkYOsqIZpFAzUu8YYZ9ZCYNwQJLoT91xRBuYGg6uBmg1P+VY0\n\t nTg1sgyc7DzzEIMc/Uut9FUU7H72D9iJnOsngJHWiSaseYK3+fWpNgfyjl3dx+mpjw\n\t RMFYu84nk63rA==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.11;\n helo=mgamail.intel.com; envelope-from=aleksandr.loktionov@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp1.osuosl.org 0768882923", "X-CSE-ConnectionGUID": [ "aZv/140VTCihNWSvGaSTmA==", "4zrcfXAoQZm+uBI43UVKrg==" ], "X-CSE-MsgGUID": [ "SafIHXmzTySzemEeQZ0JVw==", "2Jq7VfvHRVutPyfkT0S0fQ==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11730\"; a=\"84970607\"", "E=Sophos;i=\"6.23,123,1770624000\"; d=\"scan'208\";a=\"84970607\"", "E=Sophos;i=\"6.23,123,1770624000\"; d=\"scan'208\";a=\"222030145\"" ], "X-ExtLoop1": "1", "From": "Aleksandr Loktionov <aleksandr.loktionov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,\n anthony.l.nguyen@intel.com, aleksandr.loktionov@intel.com", "Date": "Mon, 16 Mar 2026 08:20:52 +0100", "Message-ID": "<20260316072053.1241987-2-aleksandr.loktionov@intel.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260316072053.1241987-1-aleksandr.loktionov@intel.com>", "References": "<20260316072053.1241987-1-aleksandr.loktionov@intel.com>", "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=1773645658; x=1805181658;\n h=from:to:subject:date:message-id:in-reply-to:references:\n mime-version:content-transfer-encoding;\n bh=jcgu0G4yFwmZlw8w+NTRKbolWpD1J9LZq4Y9zKRM4Gc=;\n b=e7ypEIe+gMoBMaR+WTI9DmFnX3ORvtzlMHblmzu3NASqUNHFxRPFa4zZ\n A8E1xu14iIM+i9TCU2lDsigB5BWpMMZjpxsUiV73b2OZ1uHi/+QJe5PUd\n +CnSDOMlxvUGdwXomQ73r7wfIDWn8S3fTjlqZAUyOUlzkQZTYItxDgphy\n j1Ks361q11lzzMbQl8QqjQofvG/nul3VSxpj3/bBBnMQyUyMVOB9OQLBS\n BUM6Un1iAnSruoiRpkWVRYzgLz7/HW8pNIv/hI/o5wEAai3zwuJo0b50r\n IGOF55gR95EXqoBeBPntnx/66n0awcYpnjnhL7TE47p0nDykh6U/5xS0Q\n g==;", "X-Mailman-Original-Authentication-Results": [ "smtp1.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp1.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=e7ypEIe+" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next v5 1/2] ethtool: treat\n RXH_GTP_TEID as intrinsically symmetric", "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>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "A GTP tunnel uses the same TEID value in both directions of a flow;\nincluding TEID in the hash input does not break src/dst symmetry.\n\nethtool_rxfh_config_is_sym() currently rejects any hash field bitmap\nthat contains bits outside the four paired L3/L4 fields. This causes\ndrivers that hash GTP flows on TEID to fail the kernel's preflight\nvalidation in ethtool_check_flow_types(), making it impossible for\nthose drivers to support symmetric-xor transforms at all.\n\nStrip RXH_GTP_TEID from the bitmap before the paired-field check so\nthat drivers may honestly report TEID hashing without blocking the\nconfiguration of symmetric transforms.\n\nSigned-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\n---\n net/ethtool/common.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/net/ethtool/common.c b/net/ethtool/common.c\nindex 5fae329..9a3fd76 100644\n--- a/net/ethtool/common.c\n+++ b/net/ethtool/common.c\n@@ -911,6 +911,9 @@ int ethtool_rxfh_config_is_sym(u64 rxfh)\n {\n \tbool sym;\n \n+\t/* Strip TEID before checking - it carries no src/dst asymmetry */\n+\trxfh &= ~RXH_GTP_TEID;\n+\n \tsym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST |\n \t\t\t RXH_L4_B_0_1 | RXH_L4_B_2_3));\n \tsym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST);\n", "prefixes": [ "iwl-next", "v5", "1/2" ] }