From: Antonio Quartulli Date: Tue, 15 Apr 2025 11:17:21 +0000 (+0200) Subject: ovpn: keep carrier always on for MP interfaces X-Git-Tag: v6.16-rc1~132^2~277^2~19 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8327a3baa9b0561a410d00b209aae621b5a61b1c;p=thirdparty%2Flinux.git ovpn: keep carrier always on for MP interfaces 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 Link: https://patch.msgid.link/20250415-b4-ovpn-v26-4-577f6097b964@openvpn.net Reviewed-by: Sabrina Dubroca Tested-by: Oleksandr Natalenko Signed-off-by: Paolo Abeni --- diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c index ea7dad374c008..fa1dd84be2406 100644 --- a/drivers/net/ovpn/main.c +++ b/drivers/net/ovpn/main.c @@ -93,10 +93,18 @@ static int ovpn_newlink(struct net_device *dev, ovpn->dev = dev; ovpn->mode = mode; - /* turn carrier explicitly off after registration, this way state is - * clearly defined + /* Set carrier explicitly after registration, this way state is + * clearly defined. + * + * In case of MP interfaces we keep the carrier always on. + * + * Carrier for P2P interfaces is initially off and it is then + * switched on and off when the remote peer is added or deleted. */ - netif_carrier_off(dev); + if (ovpn->mode == OVPN_MODE_MP) + netif_carrier_on(dev); + else + netif_carrier_off(dev); return register_netdevice(dev); }