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GET /api/1.1/patches/2222602/?format=api
{ "id": 2222602, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222602/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260413073035.4082204-4-aleksandr.loktionov@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260413073035.4082204-4-aleksandr.loktionov@intel.com>", "date": "2026-04-13T07:30:33", "name": "[iwl-net,3/5] iavf: prevent VSI corruption when ring params changed during reset", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "93f1c46b65d6556021c85289fe2030a559c4ec12", "submitter": { "id": 75597, "url": "http://patchwork.ozlabs.org/api/1.1/people/75597/?format=api", "name": "Loktionov, Aleksandr", "email": "aleksandr.loktionov@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260413073035.4082204-4-aleksandr.loktionov@intel.com/mbox/", "series": [ { "id": 499654, "url": "http://patchwork.ozlabs.org/api/1.1/series/499654/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=499654", "date": "2026-04-13T07:30:30", "name": "iavf: five correctness fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499654/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222602/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222602/checks/", "tags": {}, "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=OwL1en9h;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::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 4683B61AD8", "OpenDKIM Filter v2.11.0 smtp1.osuosl.org AF73D84193" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1776065445;\n\tbh=W1xI0bBNunllNsuk4/jnpm7QutxP8+n6tedzFzwwQCE=;\n\th=From:To:Cc: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=OwL1en9hziRsG/WFv6GEBWUU/xL0GhHhbZMRQl4Wru8uVKEE1WR2FJ+mfaNydjhB3\n\t 5q28EIeQT9JJYopl1J6urYxF+vaXEMPh5qMN55Vz+9fBOGAvEhn8cY7FobHrdZzPAA\n\t vZI+BMrRJ05AkqxB8Gz/vObLaasy9ZI92lL6x0eA/dhqCQa6NXsHiM481PTUlvTRVx\n\t YGsByvLRVM5/fCx03nZMROySugbJJhbzoKqjS1enbDJta5hOglwBsiDD5hCEtsbu3J\n\t DpPB749ux2Javb4VlyBj824ia7btMAvu/2gPq/+6Vju1Hd28amL+ctfErzhaAj5Pwc\n\t bWHhuG9ovHG4g==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=192.198.163.12;\n helo=mgamail.intel.com; envelope-from=aleksandr.loktionov@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp1.osuosl.org AF73D84193", "X-CSE-ConnectionGUID": [ "rVBXGSOBQDKjjcaTlQsNMg==", "OUEEpF2+TKa8ZrxWFrbaog==" ], "X-CSE-MsgGUID": [ "uo4icXYuTw+KFEvfvlYSyQ==", "+/NwIoe9QEWOv7dHNLPQ0A==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11757\"; a=\"80876634\"", "E=Sophos;i=\"6.23,176,1770624000\"; d=\"scan'208\";a=\"80876634\"", "E=Sophos;i=\"6.23,176,1770624000\"; d=\"scan'208\";a=\"267700551\"" ], "X-ExtLoop1": "1", "From": "Aleksandr Loktionov <aleksandr.loktionov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com,\n aleksandr.loktionov@intel.com", "Cc": "netdev@vger.kernel.org,\n Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>", "Date": "Mon, 13 Apr 2026 09:30:33 +0200", "Message-ID": "<20260413073035.4082204-4-aleksandr.loktionov@intel.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260413073035.4082204-1-aleksandr.loktionov@intel.com>", "References": "<20260413073035.4082204-1-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=1776065443; x=1807601443;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=BEQZpYdie0qiN2xtDyQz59CbnPWVsowDYUJhO2NHgJ0=;\n b=myWNNXZxwgAF1tS3KrbQP8MqQkJUzxg9+/9oGPjT8pU4z37Tyg4N1g7b\n h+LH+RqwLdoqPl5iVqy+HNhmdThtSgnVMn4Bc2N5Q+7U0WoTQ/B7OaURp\n eC5lKo1kV7Tbx0ay7q6AxMN0XstSL4ZcJM8ywxG5ioyTCNj3+AcNImsdm\n yVvHlxavLO3WNvumIquNw1ouyd4v4wOR7Dvr6ntV3+GR4maFUkQArwT/5\n J7ovuKNBuJUd9MXBDUdv6Ja0SaEmShoyQBuewDV1Idq17NAw3bTVvtttL\n dACWO9D5Jh/ztkkk8FUyvIblGvoFRqrGv/f0dZP8Yc5iNEH9oXrcz1Ajd\n A==;", "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) header.d=intel.com header.i=@intel.com\n header.a=rsa-sha256 header.s=Intel header.b=myWNNXZx" ], "Subject": "[Intel-wired-lan] [PATCH iwl-net 3/5] iavf: prevent VSI corruption\n when ring params changed during reset", "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": "From: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>\n\nChanging ring parameters via ethtool triggers a VF reset and queue\nreconfiguration. If ethtool is called again before the first reset\ncompletes, the second reset races with uninitialised queue state and\ncan corrupt the VSI resource tree on the PF side.\n\nReturn -EAGAIN from iavf_set_ringparam() when the adapter is already\nresetting or its queues are disabled.\n\nFixes: fbb7ddfef253 (\"i40evf: core ethtool functionality\")\nSigned-off-by: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>\nSigned-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\n---\n drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 5 +++++\n 1 file changed, 5 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c\nindex 1cd1f3f..3909131 100644\n--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c\n+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c\n@@ -495,6 +495,11 @@ static int iavf_set_ringparam(struct net_device *netdev,\n \tif ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))\n \t\treturn -EINVAL;\n \n+\tif (adapter->state == __IAVF_RESETTING ||\n+\t (adapter->state == __IAVF_RUNNING &&\n+\t adapter->flags & IAVF_FLAG_QUEUES_DISABLED))\n+\t\treturn -EAGAIN;\n+\n \tif (ring->tx_pending > IAVF_MAX_TXD ||\n \t ring->tx_pending < IAVF_MIN_TXD ||\n \t ring->rx_pending > IAVF_MAX_RXD ||\n", "prefixes": [ "iwl-net", "3/5" ] }