From nobody Fri Dec 19 07:02:21 2025 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (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 1C2DE22F38B for ; Fri, 6 Dec 2024 21:18:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733519930; cv=none; b=ZlpZTieOE11/S+JC/mBnKIITm0d2CmEk18Eb40duLK0hEwiYVe61UfXyEKXZ5gjbpuPJNpXCiLSPinbZELIlPLCCxZmrj0YnPtrKFGFVHVriUJ8gyjhClipVP/l1Ct0Z9xUxTVS16JWbdjwzprV+a5hf8GGXDpzv8FdSbltdNZU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733519930; c=relaxed/simple; bh=GchxL43RZVWbeeTak50ypiKEh4su8ul45OjPZ601Tf0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=G+K5eZD9r/Bdd4+hrz/lhbr/TL3ffLFcnsm8cxX0xi9gd2GwwpAv6FCOBvbiWmtPZOGjr4XonfR8x1jJIk2/eLcXuUYQgskd26sCp6YqyGWu1J6HuGqqi9YHLmi69fYJg3BnyexYUw9CK5CD3PKWzWXDnBXbofHi7I8uf6/sW78= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=openvpn.net; spf=pass smtp.mailfrom=openvpn.com; dkim=pass (2048-bit key) header.d=openvpn.net header.i=@openvpn.net header.b=LBA3MTRP; arc=none smtp.client-ip=209.85.221.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=openvpn.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=openvpn.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=openvpn.net header.i=@openvpn.net header.b="LBA3MTRP" Received: by mail-wr1-f53.google.com with SMTP id ffacd0b85a97d-385e87b25f0so2155706f8f.0 for ; Fri, 06 Dec 2024 13:18:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openvpn.net; s=google; t=1733519926; x=1734124726; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=eFk85mO/CYRQjFZfRXq+/JqMZn31zCiBs+VMv6XbtEo=; b=LBA3MTRP2A1mba9yzx7Aavbgg2wl+XDGDXQtPkEks7cCQTdvqqQp24zHgEoGrsJZcJ +ELwSgV5wiy2i8JvgnT9lpYsNY1IJNKJ/EVcpUq22ULvdePW32suo2K07/CV149tZNkc itBaIopwxHPxLIGJm6oCscpjSsWmy7QznTDVhwq9uTZ7I03xcJm6u1Qw9VFAlxfpogy6 WByJZTUk6wP/DrFPgFmNYWvPthSmguJJZbZwED5Jvj9k3a48RB2hPMAXAs60mTQFWZ1/ sn9EP4BSkHYrimCcLOuJis3FgLJSfhlhIpcDG3tzUnwBJt/p2tbrp1HglQQHSQP8f2Rm u17g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733519926; x=1734124726; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eFk85mO/CYRQjFZfRXq+/JqMZn31zCiBs+VMv6XbtEo=; b=qp8ZXViCea8LNmIRwp98IP6pcaLc+iFYkdrytVPUExxjFhIcdzVdKrU/d8eV48UUwO SmmRZyyf1ygAZZkKmi0YImpOh3UHB/BLj2j3+Mcm5LqOxhqu0sXchCrwsW3in3S7gtbK HusKQmTz1NgK4a4MdjoCDPdByoMic5+syA1o2TYe8UdLoDjImNAN4T948fJvVEaeYm/n CFGZs2GfLawrKcHjb8w/4eTZjkkRLUAvhZSnCH2xuYaItrWMuN9usDHaU+/DyEHH7Eu+ 2dPr+8AXsivoi0L23fMB3YzZSVrvoJ9L7H9jI1bg1MMfcWBbgiwUv+tiCLLzyCq+1b15 LTBQ== X-Forwarded-Encrypted: i=1; AJvYcCXlGho2Ogz3LBDJX1PStlw9xu0kVZ4wFdq442DefPQh6BsxEU/Qt4bkgiq06/sZg8lSshC0Z0xq2MO89ro=@vger.kernel.org X-Gm-Message-State: AOJu0YwvERtF+dCzemHLzj2G/Z/9lFqCCNg0h3qCEED4hJqcTUSnuaiX FhOoCUXqhz0niUOTDwl8fFbqWOE+aK9AJssgzIvH7v6Pp7zsdaog5/CtQgKgkRTzZhWFV5/aq7r A X-Gm-Gg: ASbGncvhjTvWAeUEC1SajKHDwdqM+WQ4auZoGfVk7v0Zu/bYXnHtcbX16jH3V9hE0DI Uy3xxZOmy3aq+rOOdb4+gxepvF9WRM/QNwux2as/U6yi4swWFIcHViDOIQeARqOaqQW6Rmdemw8 5neiJHUtPHCLJYYNzBKA8bMD1odoLqUwHXEPS08vKw+eqGKBqaYaxSU1K8+dkjW4oqbjTP2xGso 49Nrbcn4tN8proDILTRCNxJmcPK/HlkOvmvcdc1OX+O5JmoqHYXO1WO0mSf8A== X-Google-Smtp-Source: AGHT+IHUsdvAyWqJPVAKl7jOs5TzBkWGH6KtGirLq8aqrQ7ZAG20cdsCB30PaaxnoMvPwl9sd/fq3A== X-Received: by 2002:a5d:64e7:0:b0:385:ee85:f1bf with SMTP id ffacd0b85a97d-3862a8b530bmr3599570f8f.18.1733519926532; Fri, 06 Dec 2024 13:18:46 -0800 (PST) Received: from serenity.mandelbit.com ([2001:67c:2fbc:1:3cee:9adf:5d38:601e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3861fd46839sm5441302f8f.52.2024.12.06.13.18.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Dec 2024 13:18:46 -0800 (PST) From: Antonio Quartulli Date: Fri, 06 Dec 2024 22:18:29 +0100 Subject: [PATCH net-next v13 04/22] ovpn: keep carrier always on for MP interfaces Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241206-b4-ovpn-v13-4-67fb4be666e2@openvpn.net> References: <20241206-b4-ovpn-v13-0-67fb4be666e2@openvpn.net> In-Reply-To: <20241206-b4-ovpn-v13-0-67fb4be666e2@openvpn.net> To: netdev@vger.kernel.org, Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Antonio Quartulli , Shuah Khan , sd@queasysnail.net, ryazanov.s.a@gmail.com, Andrew Lunn Cc: Simon Horman , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1056; i=antonio@openvpn.net; h=from:subject:message-id; bh=GchxL43RZVWbeeTak50ypiKEh4su8ul45OjPZ601Tf0=; b=kA0DAAgBC3DlOqA41YcByyZiAGdTalai8Q+QlxElg0MhOKCgGmWt1aDjjnegsIK2Usyi9ZbmX IkBMwQAAQgAHRYhBJmr3Gz41BLk3l/A/Atw5TqgONWHBQJnU2pWAAoJEAtw5TqgONWHrFQH/jrY 9qJ6rPDV4RBTeJEUqV5dO2d5Zp5iWJ7nZ8F28EojqxTwTIj+zSuYdI8flXg+CnVCoXqXXD7Soq0 eKmvNNEPhr1gaMSc8ZAL70n0VijdDqIlevOrQkTtP7Y3gybUKauvO6+WUrV8hF7XypvQT5Pe+Hz 3d2itjfNO62PH2VjNRK5iMwbXNg2AdduRC5NDaXKgNsq6FPyW4//RVloRsJvxL8lEdFC8qKD6i3 OP403lW3dNva5TToKo9pMERO5JU9AzvhBzd3nIavSE8PkQaloyViIEnce7t1ZxoOvjWXj0q38WP 4sgmb+uA6NH83xlpcsmEnZNmmN88vP2Ejd9a5EY= X-Developer-Key: i=antonio@openvpn.net; a=openpgp; fpr=CABDA1282017C267219885C748F0CCB68F59D14C An ovpn interface configured in MP mode will keep carrier always on and let the user decide when to bring it administratively up and down. This way a MP node (i.e. a server) will keep its interface always up and running, even when no peer is connected. Signed-off-by: Antonio Quartulli --- drivers/net/ovpn/main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c index 60954c5b2b9254db1d24d01ac383935765c7ce5b..274d6166741ef2d6275a252d0c0= 42bc66f8f41f7 100644 --- a/drivers/net/ovpn/main.c +++ b/drivers/net/ovpn/main.c @@ -23,6 +23,15 @@ =20 static int ovpn_net_open(struct net_device *dev) { + struct ovpn_priv *ovpn =3D netdev_priv(dev); + + /* carrier for P2P interfaces is switched on and off when + * the peer is added or deleted. + * + * in case of P2MP interfaces we just keep the carrier always on + */ + if (ovpn->mode =3D=3D OVPN_MODE_MP) + netif_carrier_on(dev); netif_tx_start_all_queues(dev); return 0; } --=20 2.45.2