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{ "id": 2191174, "url": "http://patchwork.ozlabs.org/api/covers/2191174/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260131163037.88108-1-kohei@enjuk.jp/", "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": "<20260131163037.88108-1-kohei@enjuk.jp>", "list_archive_url": null, "date": "2026-01-31T16:29:35", "name": "[v2,iwl-next,0/3] igc: add RSS key get/set support", "submitter": { "id": 92459, "url": "http://patchwork.ozlabs.org/api/people/92459/?format=api", "name": "Kohei Enju", "email": "kohei@enjuk.jp" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260131163037.88108-1-kohei@enjuk.jp/mbox/", "series": [ { "id": 490492, "url": "http://patchwork.ozlabs.org/api/series/490492/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=490492", "date": "2026-01-31T16:29:35", "name": "igc: add RSS key get/set support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/490492/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2191174/comments/", "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=KaeYrPGm;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.136; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org C871E60B64", "OpenDKIM Filter v2.11.0 smtp2.osuosl.org 580DA40711" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1769877063;\n\tbh=/LaTNBzU1ZqwGjSbsitnVGu2AjeEHf5402YTnnjokBU=;\n\th=From:To:Cc:Date:Subject:List-Id:List-Unsubscribe:List-Archive:\n\t List-Post:List-Help:List-Subscribe:From;\n\tb=KaeYrPGmAp/qWo/qubCHN6FW/9Ol+NR2sX/LeFRTu4OcQcuYubCFt/rfTV/IGr/Lc\n\t GevZ5vKUKtyzfAyj0RGIl8hbkhoIyYWd4VoSfufJ8kKflQkL78SwBQefChcCvqeiLL\n\t tajvd1Uo+qSH8clT7V7utnTJSE4XiPd8amyx3fYzDtEt1g1SwAxVGFWwH6CWlkF10n\n\t l4fL7y+0E6NJaHjTa+VHaFvzlfbjD5xDRuN7PO17ixI+bdQMVMAtXEA9YZHH6ab/41\n\t Bz8G1NItTG/7rDDVB7waMpbdYrJA3SZeShuJ1PvVj+PWTOcy9fgf+IwZQ685jJ12ph\n\t OjWmSPA6faFGg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=49.212.198.91;\n helo=www2881.sakura.ne.jp; envelope-from=kohei@enjuk.jp; receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp2.osuosl.org 580DA40711", "From": "Kohei Enju <kohei@enjuk.jp>", "To": "intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org", "Cc": "Tony Nguyen <anthony.l.nguyen@intel.com>,\n Przemek Kitszel <przemyslaw.kitszel@intel.com>,\n Andrew Lunn <andrew+netdev@lunn.ch>,\n \"David S. Miller\" <davem@davemloft.net>,\n Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,\n Paolo Abeni <pabeni@redhat.com>,\n Vitaly Lifshits <vitaly.lifshits@intel.com>,\n Simon Horman <horms@kernel.org>,\n Aleksandr Loktionov <aleksandr.loktionov@intel.com>,\n kohei.enju@gmail.com, Kohei Enju <kohei@enjuk.jp>", "Date": "Sat, 31 Jan 2026 16:29:35 +0000", "Message-ID": "<20260131163037.88108-1-kohei@enjuk.jp>", "X-Mailer": "git-send-email 2.51.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "a=rsa-sha256;\n bh=/LaTNBzU1ZqwGjSbsitnVGu2AjeEHf5402YTnnjokBU=;\n c=relaxed/relaxed; d=enjuk.jp;\n h=From:To:Subject:Date:Message-ID;\n s=rs20251215; t=1769877039; v=1;\n b=up6oGSR0BnRs59uNdGoleUeQWdyRDQ1MElhF4/8+iH5g+NjR6xMa5NPi0uQGc0Lc\n Sn8X6xDFmfx5RnABSQEnBr4vEdlmxHqxr0YlNjIVnne6sy2f7rW1iip0mRLmN+wO\n bfT+FxNqbgTnU9MNTQu2DFS1eAzeDKSVN+S5m6PvR82Cux/11vQhSlQxGCQvXn3O\n 1cU6d4yMVvlHPgabxes/UyCw7oJWaeuSsSMrkmvNzj6kpBvLx2ttCdP06MLfDP/N\n i1mVIfqUHxCV3TJrP0J05yxRgfRcFqQxtFC5Hx+XWOcO85GD1EJAtr2m9A7s7LXw\n tT37C7Wd08/g9ZsTVq/mfw==", "X-Mailman-Original-Authentication-Results": [ "smtp2.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=enjuk.jp", "smtp2.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=enjuk.jp header.i=@enjuk.jp header.a=rsa-sha256\n header.s=rs20251215 header.b=up6oGSR0" ], "Subject": "[Intel-wired-lan] [PATCH v2 iwl-next 0/3] igc: add RSS key get/set\n support", "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": "This series adds ethtool get/set support for the RSS hash key.\n\nWithout patch:\n # ethtool -x $DEV | grep key -A1\n RSS hash key:\n Operation not supported\n # ethtool -X $DEV hkey be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef\n Cannot set RX flow hash configuration:\n Hash key setting not supported\n\nWith patch:\n # ethtool -x $DEV | grep key -A1\n RSS hash key:\n dd:7c:1f:06:1a:42:dc:e5:7e:90:2c:48:aa:3f:5d:5a:d7:da:ec:44:3e:3f:df:78:89:1e:3c:68:2e:59:da:a0:23:5a:32:5c:cf:5e:7e:7b\n # ethtool -X $DEV hkey be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef\n # ethtool -x $DEV | grep key -A1\n RSS hash key:\n be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef:be:ef\n\nAlso tested with rss_api.py and toeplitz.py.\n # ./tools/testing/selftests/drivers/net/hw/rss_api.py | grep rss_api.test_rxfh_nl_set_key\n ok 6 rss_api.test_rxfh_nl_set_key\n # tools/testing/selftests/drivers/net/hw/toeplitz.py | grep \"# Totals\"\n # Totals: pass:12 fail:0 xfail:0 xpass:0 skip:0 error:0\n\nNotes:\nSince the 2/3 patch is unchanged, I preserved Tested-by and Reviewed-by\ntags for the patch.\n\nChanges:\n v2:\n - call netdev_rss_key_fill() in igc_sw_init(), not in\n igc_setup_mrqc()\n - add documentation for igc_write_rss_key()\n - drop has_user_rss_key flag, since rss_key is never cleared except\n for user operations\n - change email address from @amazon.com to @enjuk.jp\n v1: https://lore.kernel.org/intel-wired-lan/20251025150136.47618-1-enjuk@amazon.com/\n\nKohei Enju (3):\n igc: prepare for RSS key get/set support\n igc: expose RSS key via ethtool get_rxfh\n igc: allow configuring RSS key via ethtool set_rxfh\n\n drivers/net/ethernet/intel/igc/igc.h | 3 +\n drivers/net/ethernet/intel/igc/igc_ethtool.c | 67 +++++++++++++++-----\n drivers/net/ethernet/intel/igc/igc_main.c | 8 +--\n 3 files changed, 57 insertions(+), 21 deletions(-)" }