search for: 0540856676de

...> net/core/net_failover.c | 1044 ++++++++++++++++++++++++++++++++++++++++++++ > 6 files changed, 1130 insertions(+) > create mode 100644 include/net/net_failover.h > create mode 100644 net/core/net_failover.c > diff --git a/net/Kconfig b/net/Kconfig > index b62089fb1332..0540856676de 100644 > --- a/net/Kconfig > +++ b/net/Kconfig > @@ -429,6 +429,16 @@ config MAY_USE_DEVLINK > config PAGE_POOL > bool > > +config NET_FAILOVER > + tristate "Failover interface" > + default m Need some justification for default m (as opposed to n)....

The main motivation for this patch is to enable cloud service providers to provide an accelerated datapath to virtio-net enabled VMs in a transparent manner with no/minimal guest userspace changes. This also enables hypervisor controlled live migration to be supported with VMs that have direct attached SR-IOV VF devices. Patch 1 introduces a new feature bit VIRTIO_NET_F_STANDBY that can be used

...ailover_register(struct net_device *dev, + struct net_failover_ops *ops); +void net_failover_unregister(struct net_failover *failover); +int net_failover_slave_unregister(struct net_device *slave_dev); + +#endif /* _NET_FAILOVER_H */ diff --git a/net/Kconfig b/net/Kconfig index b62089fb1332..0540856676de 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -429,6 +429,16 @@ config MAY_USE_DEVLINK config PAGE_POOL bool +config NET_FAILOVER + tristate "Failover interface" + default m + help + This provides a generic interface for paravirtual drivers to listen + for netdev register/u...