When using data path type "netdev", bridge port is a tun device and when OVS restarts, that device and its network configuration is lost.
This patch enables the tap device to persist instead. Signed-off-by: Flavio Leitner <f...@redhat.com> --- lib/netdev-linux.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c index 3ad3d45..d181e4f 100644 --- a/lib/netdev-linux.c +++ b/lib/netdev-linux.c @@ -866,6 +866,13 @@ netdev_linux_construct_tap(struct netdev *netdev_) goto error_close; } + if (ioctl(netdev->tap_fd, TUNSETPERSIST, 1)) { + VLOG_WARN("%s: creating tap device failed (persist): %s", name, + ovs_strerror(errno)); + error = errno; + goto error_close; + } + return 0; error_close: @@ -885,6 +892,7 @@ netdev_linux_destruct(struct netdev *netdev_) if (netdev_get_class(netdev_) == &netdev_tap_class && netdev->tap_fd >= 0) { + ioctl(netdev->tap_fd, TUNSETPERSIST, 0); close(netdev->tap_fd); } -- 2.9.4 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev