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 | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c index d3eebab7fa528cb648141021ab513c3ed687e698..97fcf284c06654a6581be592e45f77f0f78f566f 100644 --- a/drivers/net/ovpn/main.c +++ b/drivers/net/ovpn/main.c @@ -23,6 +23,15 @@
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); netif_tx_start_all_queues(dev); return 0; }