On 5/2/18 1:17 AM, Ido Schimmel wrote:
> We currently do not perform accounting in the driver and thus can't
> reject routes before resources are exceeded.
>
> However, in order to make users aware of the fact that routes are no
> longer offloaded we can return an error for routes configured after the
> abort mechanism was triggered.
>
> Signed-off-by: Ido Schimmel <ido...@mellanox.com>
> ---
> drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> index added380e344..8028d221aece 100644
> --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> @@ -5928,6 +5928,13 @@ static int mlxsw_sp_router_fib_event(struct
> notifier_block *nb,
> router->mlxsw_sp);
> if (!err || info->extack)
> return notifier_from_errno(err);
> + break;
> + case FIB_EVENT_ENTRY_ADD:
> + if (router->aborted) {
> + NL_SET_ERR_MSG_MOD(info->extack, "FIB offload was
> aborted. Not configuring route");
> + return notifier_from_errno(-EINVAL);
> + }
> + break;
> }
>
> fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC);
>
Reasonable next step.
Acked-by: David Ahern <dsah...@gmail.com>
