mlxsw: spectrum_router: Separate nexthop offload indication from route
The driver currently uses the 'RTNH_F_OFFLOAD' flag for both routes and nexthops, which is cumbersome and unnecessary now that we have separate flag for the route itself. Separate the offload indication for nexthops from routes and call it whenever the offload state within the nexthop group changes. Note that IPv6 (unlike IPv4) does not share the same nexthop group between different routes, whereas mlxsw does. Therefore, whenever the offload indication within an IPv6 nexthop group changes, all the linked routes need to be updated. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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