From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75FD2C63697 for ; Sun, 22 Nov 2020 15:12:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 218D420776 for ; Sun, 22 Nov 2020 15:12:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="BYGA1YwG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727888AbgKVPMn (ORCPT ); Sun, 22 Nov 2020 10:12:43 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:12988 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727728AbgKVPMn (ORCPT ); Sun, 22 Nov 2020 10:12:43 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AMF1Egq025829; Sun, 22 Nov 2020 10:12:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=mime-version : date : from : to : cc : subject : in-reply-to : references : message-id : content-type : content-transfer-encoding; s=pp1; bh=Y3i8MUffMDfSvCaRL7H8drMw1I0QcT2f7HCb/y7lYu0=; b=BYGA1YwGlXJ87RyPA2wXyG2/lJTI/3PK7L0jLMGssScJrjZAqPyUaqVxZvuiz/3/vOuj LWPOm0Q199vLZocWsOt77WmReuwsNtOZF/wcxtRmR0ugdaSzxbZgc8Unn/H6qyMzxwVY BzZmM/Wz2iqtHUAgBZP626DEdTMDn6SrlpQLaya+iIM70ABmvkTctN29Jn97jfRnGQEq GcQnMOcNC7FrPPGVcT6FkEnxd2XfhWVghRF1DoGHxuVRheJt/m45LJHHQb8t3hliebm3 2eK6c98GK7MUzzAT7rKc8ZvYbElBs2q4eNwTd9chZDivihz957oFBO+HdBrAIq0oyzpy pg== Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0b-001b2d01.pphosted.com with ESMTP id 34yq46b6m5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 22 Nov 2020 10:12:40 -0500 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AMF8YxF014640; Sun, 22 Nov 2020 15:12:40 GMT Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by ppma04dal.us.ibm.com with ESMTP id 34xth8kh06-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 22 Nov 2020 15:12:40 +0000 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AMFCc0G64356824 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 22 Nov 2020 15:12:38 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8095578063; Sun, 22 Nov 2020 15:12:38 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E9977805E; Sun, 22 Nov 2020 15:12:38 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.16.170.189]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Sun, 22 Nov 2020 15:12:38 +0000 (GMT) MIME-Version: 1.0 Date: Sun, 22 Nov 2020 07:12:38 -0800 From: drt To: Jakub Kicinski Cc: Lijun Pan , netdev@vger.kernel.org, sukadev@linux.ibm.com, drt@linux.ibm.com Subject: Re: [PATCH net 02/15] ibmvnic: process HMC disable command In-Reply-To: <20201121153637.17a91ac4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> References: <20201120224049.46933-1-ljp@linux.ibm.com> <20201120224049.46933-3-ljp@linux.ibm.com> <20201121153637.17a91ac4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Message-ID: X-Sender: drt@linux.vnet.ibm.com User-Agent: Roundcube Webmail/1.0.1 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-22_07:2020-11-20,2020-11-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 impostorscore=0 adultscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011220103 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2020-11-21 15:36, Jakub Kicinski wrote: > On Fri, 20 Nov 2020 16:40:36 -0600 Lijun Pan wrote: >> From: Dany Madden >> >> Currently ibmvnic does not support the disable vnic command from the >> Hardware Management Console. This patch enables ibmvnic to process >> CRQ message 0x07, disable vnic adapter. > > What user-visible problem does this one solve? This allows HMC to disconnect a Linux client from the network if the vNIC adapter is misbehaving and/or sending malicious traffic. The effect is the same as when a sysadmin sets a link down (ibmvnic_close()) on the Linux client. This patch extends this ability to the HMC. Thanks! Dany