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 antonio@openvpn.net --- drivers/net/ovpn/main.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c index b19f1406d87d5a1ed45b00133d642b1ad9f4f6f7..15802dfd26fcbcad42c387d42f665b8b47604e8a 100644 --- a/drivers/net/ovpn/main.c +++ b/drivers/net/ovpn/main.c @@ -21,7 +21,22 @@ #include "io.h" #include "proto.h"
+static int ovpn_net_open(struct net_device *dev) +{ + struct ovpn_priv *ovpn = 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 == OVPN_MODE_MP) + netif_carrier_on(dev); + return 0; +} + static const struct net_device_ops ovpn_netdev_ops = { + .ndo_open = ovpn_net_open, .ndo_start_xmit = ovpn_net_xmit, };