On 1/7/18 3:45 AM, Ido Schimmel wrote: > By default, IPv6 deletes nexthops from a multipath route when the > nexthop device is put administratively down. This differs from IPv4 > where the nexthops are kept, but marked with the RTNH_F_DEAD flag. A > multipath route is flushed when all of its nexthops become dead. > > Align IPv6 with IPv4 and have it conform to the same guidelines. > > In case the multipath route needs to be flushed, its siblings are > flushed one by one. Otherwise, the nexthops are marked with the > appropriate flags and the tree walker is instructed to skip all the > siblings. > > As explained in previous patches, care is taken to update the sernum of > the affected tree nodes, so as to prevent the use of wrong dst entries. > > Signed-off-by: Ido Schimmel <ido...@mellanox.com> > --- > net/ipv6/route.c | 83 > ++++++++++++++++++++++++++++++++++++++++++++++++++------ > 1 file changed, 75 insertions(+), 8 deletions(-)
Acked-by: David Ahern <dsah...@gmail.com>
