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authorIdo Schimmel <idosch@mellanox.com>2016-12-23 09:32:50 +0100
committerDavid S. Miller <davem@davemloft.net>2016-12-23 12:31:19 -0500
commit58312125da5806308bd69e075fedae30f8cf7794 (patch)
treef82056ea3aae09a9a74e3960b5ced4dcfd901527
parentmlxsw: spectrum_router: Don't reflect dead neighs (diff)
downloadlinux-dev-58312125da5806308bd69e075fedae30f8cf7794.tar.xz
linux-dev-58312125da5806308bd69e075fedae30f8cf7794.zip
mlxsw: spectrum_router: Correctly remove nexthop groups
At the end of the nexthop initialization process we determine whether the nexthop should be offloaded or not based on the NUD state of the neighbour representing it. After all the nexthops were initialized we refresh the nexthop group and potentially offload it to the device, in case some of the nexthops were resolved. Make the destruction of a nexthop group symmetric with its creation by marking all nexthops as invalid and then refresh the nexthop group to make sure it was removed from the device's tables. Fixes: b2157149b0b0 ("mlxsw: spectrum_router: Add the nexthop neigh activity update") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index a0f9742f62df..01d0efa9c5c7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -1396,6 +1396,7 @@ static void mlxsw_sp_nexthop_fini(struct mlxsw_sp *mlxsw_sp,
{
struct mlxsw_sp_neigh_entry *neigh_entry = nh->neigh_entry;
+ __mlxsw_sp_nexthop_neigh_update(nh, true);
list_del(&nh->neigh_list_node);
/* If that is the last nexthop connected to that neigh, remove from
@@ -1454,6 +1455,8 @@ mlxsw_sp_nexthop_group_destroy(struct mlxsw_sp *mlxsw_sp,
nh = &nh_grp->nexthops[i];
mlxsw_sp_nexthop_fini(mlxsw_sp, nh);
}
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
+ WARN_ON_ONCE(nh_grp->adj_index_valid);
kfree(nh_grp);
}