From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f51.google.com (mail-ot1-f51.google.com [209.85.210.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9990C46443 for ; Mon, 22 Jan 2024 15:01:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705935710; cv=none; b=SbHfPQx4/ztvdpDuWyUErJe3E99ezyMW+z+ZOer3k7aNMBJFUzgvKEXF98kttmlTc5vmy3gDGrpIYkDpYFyXismd6XqTAEUhXyBbX7Oy/mFeDTUFo41phuKECpOt9Jcserk1BiGyDGerto0EnfzkthOTTI0Ub3Rgm0t7CNQ7GZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705935710; c=relaxed/simple; bh=t7JwQce5MD0vMfmJ+fze8nBxiTAORlCY80AvJ8umyJs=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=oGUpz84WBJ7eon/YzSmBFVE9RdGCK4Nvt2qF+KTO70qIVIOIzO62Gv6Mm3O0ILQJvtYXWh8PbR2yb+BQbsGEGAtWXtSDxtKtJ3bFfmCGJrb9yR3IbL8HObYxRFWA3hO6plg9meq2N7P1+yR7jkG7dVh4WIfz//5e84JTGen9UW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=MCyrtoFD; arc=none smtp.client-ip=209.85.210.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MCyrtoFD" Received: by mail-ot1-f51.google.com with SMTP id 46e09a7af769-6ddf388ca74so1646684a34.0 for ; Mon, 22 Jan 2024 07:01:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705935708; x=1706540508; darn=lists.linux.dev; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=BcsT7Hm7eVsg1asJjffpSCI4HASMHSe4zH4r/fpkybU=; b=MCyrtoFDdNNl4KyAZHrIpaQf1jwx1vcCbaNImzZq0sh+ZpC5rXB0+Qvtk+hf3UgzI8 csuG80Cf/2E5F9pa4lLk9vPoNx0ZIzDdZ1vfvcdv2JG+Jx20m4Z0IrH7h+XqjBjz83/Y Oyi3QNaAvjVH6oj1bu/ReEIhkcqOLtNMOhuaXIzVV8zFDgFOQNdsCcMGH1uVDvNpTL3u u1BvEcxPtaHtRtJkepzuqLvv4erupA+iBuv45m98YTbkmQ60o+sZcgDn+TU899N8Vmyd QjMH2ohFwb/ILl7yYk7JlD1Cr6kSbPij/7csn+QAMb2Xqt6NvKwkzuRrxQDxWresZRLn g03w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705935708; x=1706540508; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BcsT7Hm7eVsg1asJjffpSCI4HASMHSe4zH4r/fpkybU=; b=TTtumXD6kfsDfcJ3NnADDb82qrQvmLh+3dRGjCcnLcCjLYP0Jt31OG0YavkFWKhckz E9clea4L7V1o7TPLg/fv19jufppPDwfl3IF3qaqJhQ0+/4YenvMHVldJ6zk5juNuG8vN vvzzHegXeiLdHqOHIIp9kxAg7w5H3l/wU5rjsiAhmXjS1nIB2jCvYNGf3XG/hqXqkU9t ub9Z8BYZXElyFSqNawM9cy+q9wBJ+hLcIg39THiPpvhwKqfsZeQ8cAiTIvQGx9q4c2lV gOqOHC8PobYAPaAJJXefESbGWXfmgR4iqCLmctzs9w5RVODkdwBVvJfMEZdcLe3jxz9F /05Q== X-Gm-Message-State: AOJu0YzHWpV7CHLV9CMLiGRMX8H17A8AxnII/GJ7dbh9/9IBx5y0kK5O 8/qwvSnpSFmZUgdHRnHHN8m6vGJ7RpO3xQU/0+eolvTCb/SHHrb9 X-Google-Smtp-Source: AGHT+IHeXvVRBQ6+rdR+o1q2/PIylbK+2fS0jg5qU9TjigG5jS0hpbQumpkrR3eVkBw4MNz3YagCBA== X-Received: by 2002:a05:6830:1d63:b0:6dc:65b7:2b05 with SMTP id l3-20020a0568301d6300b006dc65b72b05mr3578887oti.47.1705935708495; Mon, 22 Jan 2024 07:01:48 -0800 (PST) Received: from [172.16.49.130] (070-114-247-242.res.spectrum.com. [70.114.247.242]) by smtp.googlemail.com with ESMTPSA id bt14-20020a05683039ce00b006ddbfc37c87sm1712232otb.49.2024.01.22.07.01.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Jan 2024 07:01:48 -0800 (PST) Message-ID: <3aaec29e-7b05-4a2f-b92b-40fbdffa860e@gmail.com> Date: Mon, 22 Jan 2024 09:01:46 -0600 Precedence: bulk X-Mailing-List: iwd@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Making udhcpc get a new lease when iwd connects to a network Content-Language: en-US To: James Prestwood , =?UTF-8?Q?Rafael_=C3=81vila_de_Esp=C3=ADndola?= , iwd@lists.linux.dev References: <87h6j670ye.fsf@espindo.la> From: Denis Kenzior In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi James, Rafael, > > I think the intended way is for the DHCP daemon to listen for the interface to > set carrier up (from RTNL). This is how systemd-networkd does it, and AFAIK Refer to https://docs.kernel.org/networking/operstates.html for an explanation of how this is supposed to work. The kernel will signal NO_CARRIER any time the wlan interface is not associated and IF_UP once the interface is fully connected. Regards, -Denis