Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp1276901ybe; Fri, 13 Sep 2019 13:59:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqzYmSirbtg0whZJmGpMmJymzYujSiIAfqE945NDBNRbg7vu5LwEIrd+z5Pc3PSIFMp5omeR X-Received: by 2002:a05:6402:332:: with SMTP id q18mr50788337edw.149.1568408343140; Fri, 13 Sep 2019 13:59:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568408343; cv=none; d=google.com; s=arc-20160816; b=atqv7pTpcgCA941TGeMXNzfVLrkv3u+C5ZJ6NU537MrerR07afFmKjSYxV8qmrmiIK 1tClNtaVJNoCvr6ToW43w/GrRbZYOrjGNsPTZRDTepg8w1Aa00yiOJVo20BIVNXsDBXl djRf6yp/zUNQVrzt2TSjyyGBNrL/e7XUGfqklWoRs365Ef+kv5WBL5gPrp2apDYaqgFV wC4JTfcecv+/5IfCav/WK5hRB63yoSr0ZSetgZjUpBg+54k3aeZARX8sAoG8iF7YulQ2 pEqbmL+XFLPUeUF++IXxFBlwQsTB1YJvShF8G2Ld149NfNN4ILeRzkrwbSQrraq3JrNp ZAaw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:to:from:subject:message-id; bh=TJRU202yGOrZSpP/caRXBuCSX3sxoVr/KtdK6dC4Gj8=; b=Q+W32S1q495U7mwYbVuq0xetm0zv8xvWGunmsWmTcIZImF9UEoiEazJZMTUHNqIDO9 pVPJk51s4Sjy9iRj46D3FRdjpdNuqptq7Znaeaz0W9wQXW5JFML29Suxmiu2qdyQYvw6 yZto2WFUJQhnOjtwZxwHJvWZ99PCRzaov1TFtE+K6oy9MoIdAuruSwHUbrK3mGV+5fPO xG1PBwdtFKpmwxfsPCmwZ6mAK5ZyJK6r5NGDqeBYzW1HRpjzvH5Hw/6WWBBwdYCZRD2A dL1elvrZ2rkuQmPwpohdH4F/R15AVAoL8qfXjFo/ulROZKqUiAexFlWRLxXAOpSbnkDR 1Ozg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id si29si15479205ejb.75.2019.09.13.13.58.37; Fri, 13 Sep 2019 13:59:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389409AbfIMUsH (ORCPT + 99 others); Fri, 13 Sep 2019 16:48:07 -0400 Received: from s3.sipsolutions.net ([144.76.43.62]:33320 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388620AbfIMUsG (ORCPT ); Fri, 13 Sep 2019 16:48:06 -0400 Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1i8sU8-0000h7-TX; Fri, 13 Sep 2019 22:48:05 +0200 Message-ID: <6c85d9b108825939afb84ebc8a708a211f7e2b98.camel@sipsolutions.net> Subject: Re: [PATCH 1/2] nl80211: Add LIVE_ADDR_CHANGE feature From: Johannes Berg To: James Prestwood , linux-wireless@vger.kernel.org Date: Fri, 13 Sep 2019 22:48:03 +0200 In-Reply-To: <20190913195908.7871-1-prestwoj@gmail.com> (sfid-20190913_220113_419728_36032050) References: <20190913195908.7871-1-prestwoj@gmail.com> (sfid-20190913_220113_419728_36032050) Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Fri, 2019-09-13 at 12:59 -0700, James Prestwood wrote: > Add a new feature bit signifying that the wireless hardware supports > changing the mac address while the underlying net_device is UP. Note > that this is slightly different from IFF_LIVE_ADDR_CHANGE as additional > restrictions might be imposed by the hardware. Typical restrictions > are: > - No connection is active on this interface, e.g. carrier is off > - No scan is in progress > - No offchannel operation is in progress Hmm, what do you need this patch for? IFF_LIVE_ADDR_CHANGE should be sufficient to discover it? johannes