On Wed, Jan 17, 2018 at 10:09:58PM -0200, Flavio Leitner wrote: > Today OVS pushes packets to the TAP interface ignoring its > current state. That works because the kernel will return -EIO > when it's not UP and OVS will just ignore that as it is not > an OVS issue. > > However, it causes a huge impact when broadcasts happen when > using userspace datapath accelerated with DPDK (e.g.: action > NORMAL). This patch improves the situation by checking the > TAP's interface state before issueing any syscall. > > However, there might be use-cases moving interfaces to other > networking namespaces and in that case, OVS can't retrieve > the iface state (sets it to DOWN). That would stop the traffic > breaking the use-case. This patch relies on netlink notifications > to find out if the device is local or not. When it's local, the > device state is checked otherwise it will behave as before. > > Signed-off-by: Flavio Leitner <[email protected]>
I applied this to master yesterday. (It looks like I forgot to send an email about it at the time.) Thanks! _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
