From: Jiri Pirko <j...@resnulli.us>
Date: Wed, 8 Feb 2017 11:16:27 +0100
> From: Jiri Pirko <j...@mellanox.com>
>
> Ido says:
>
> When the kernel forwards IPv4 packets via multipath routes it doesn't
> consider nexthops that are dead or linkdown. For example, if the nexthop
> netdev is administratively down or doesn't have a carrier.
>
> Devices capable of offloading such multipath routes need to be made
> aware of changes in the reflected nexthops' status. Otherwise, the
> device might forward packets via non-functional nexthops, resulting in
> packet loss. This patchset aims to fix that.
>
> The first 11 patches deal with the necessary restructuring in the
> mlxsw driver, so that it's able to correctly add and remove nexthops
> from the device's adjacency table.
>
> The 12th patch adds the NH_{ADD,DEL} events to the FIB notification
> chain. These notifications are sent whenever the kernel decides to add
> or remove a nexthop from the forwarding plane.
>
> Finally, the last three patches add support for these events in the
> mlxsw driver, which is currently the only driver capable of offloading
> multipath routes.
Looks really nice, series applied, thanks!
