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=-1.0 required=3.0 tests=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 28AF0C49ED7 for ; Fri, 13 Sep 2019 20:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0169F206A5 for ; Fri, 13 Sep 2019 20:48:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389607AbfIMUsH (ORCPT ); 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